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Key to Acacias of South Australia
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1 |
(1) |
Mature
leaves reduced to phyllodes or not developed at all |
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(2) |
Leaves all bipinnate |
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2 |
(1) |
Flowers in more or less globular heads |
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(2) |
Flowers in cylindrical spikes |
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3 |
(1) |
Phyllodes either absent (occasional twigs rarely with a few articulate phyllodes), or continuous with the branches |
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(2)
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Phyllodes present and articulate on the branches |
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4 |
(1) |
Phyllodes normally absent, if present then articulate on branch; flowers 3-8 per head |
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(2) |
Phyllodes present, continuous with branch; flowers c. 30 per head |
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5 |
(1) |
Phyllodes flat with 1 major longitudinal vein visible on each face or more or less terete and 4-veined, or 4-angled |
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(2) |
Phyllodes
flat with 2 or more major longitudinal veins visible on each face
or more or less terete and many-veined |
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6 |
(1) |
Flower-heads
(1-several) on simple peduncles in the axils of phyllodes or on inconspicuous
short common peduncles |
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(2) |
Flower-heads
distinctly racemose, the raceme either axillary or terminal |
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7 |
(1) |
Flower-heads
(1-several) on simple peduncles in the axils of phyllodes or on inconspicuous
short common peduncles |
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(2) |
Flower-heads
distinctly racemose, the racemes either axillary or terminal |
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8 |
(1) |
Phyllodes
innocuous |
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(2) |
Phyllodes
pungent-pointed |
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9 |
(1) |
Phyllodes
to 2 cm long |
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(2) |
Phyllodes
2-12 cm long |
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10 |
(1) |
Branchlets
spinescent |
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(2) |
Branchlets
not spinescent |
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11 |
(1) |
Branchlets
hairy; phyllodes narrow-cuneate, humped at the summit |
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(2) |
Branchlets
glabrous; phyllodes broadly lanceolate, never humped |
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12 |
(1)
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Stipules
prominent and spiny |
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(2) |
Stipules
when present minute and not spiny |
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13 |
(1) |
Shrubs
prominently resinous; phyllodes viscid |
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(2) |
Shrubs
not or sometimes very slightly resinous; phyllodes not viscid, 5-20
mm long |
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14 |
(1) |
Phyllodes
flat, obliquely obovate, 2-5 mm long |
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(2) |
Phyllodes
terete-compressed, 1-2 cm long |
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15 |
(1) |
Phyllodes
ovate-oblanceolate to obovate-orbicular |
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(2) |
Phyllodes
linear or oblong |
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16 |
(1) |
Phyllodes
grey-green, heads 20-30 flowered |
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(2) |
Phyllodes
mid-green; heads 10-15-flowered; peduncles often longer than phyllodes;
legumes spirally coiled |
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17 |
(1) |
Peduncles
mostly longer than phyllodes, heads 8-10 mm diameter |
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(2) |
Peduncles
mostly shorter than phyllodes, heads about 5 mm diameter |
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18 |
(1) |
Branchlets
pubescent, almost terete; phyllodes with the vein close to the lower
margin |
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(2) |
Branchlets
glabrous, angular |
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19 |
(1) |
Phyllodes
erect, imbricate; apex almost truncate except for an oblique mucro
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(2)
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Phyllodes
spreading-erect, not imbricate, apex obtuse |
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20 |
(1) |
Branchlets
acutely angular, often compressed and winged |
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(2) |
Branchlets
slightly angular or striate, becoming almost terete, never flattened
or winged |
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21 |
(1) |
Phyllodes
with obviously reticulate lateral veins; peduncles stout, solitary;
heads c. 40-flowered; seeds transversely placed in the legume |
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(2) |
Phyllodes
without reticulate lateral veins; peduncles slender, 2-4 (rarely 1)
per axil; heads 12-20-flowered; seeds longitudinally placed in the
legume |
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22 |
(1)
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Phyllodes
often glaucous, broadly ovate, 10-35 mm broad, up to twice as long
as broad |
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(2)
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Phyllodes
never glaucous, linear-oblong, oblanceolate, 5-13 mm broad, 5-12 times
longer than broad |
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23 |
(1) |
Stipules
frequently prominent, spiny; seeds transversely placed in the legume |
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(2) |
Stipules
when present small, never spiny; seeds longitudinally placed in the
legume |
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24 |
(1) |
Branchlets
and phyllodes glabrous to almost so |
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(2) |
Branchlets
and phyllodes villous with soft spreading hairs |
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25 |
(1) |
Branchlets
and phyllodes pubescent or becoming glabrous when mature |
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(2) |
Branchlets
and phyllodes glabrous(young phyllodes minutely pubescent in A. microcarpa) |
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26 |
(1) |
Phyllodes
always hairy, golden pubescent when young, silky-silvery with more
or less appressed hairs when mature, flower-heads mostly shorter than
phyllode, longer if common peduncle well developed |
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(2) |
Phyllodes
silky grey hairy when young, becoming glabrous with age |
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27 |
(1)
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Peduncle
mostly shorter than phyllode, heads about 5 mm diameter |
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(2) |
Peduncles
mostly longer than leaf, heads 8-10 mm diameter |
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28 |
(1) |
Phyllodes
terete or if flattened then not exceeding 5 mm broad; apex always
uncinate |
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(2) |
Phyllodes
distinctly flattened, 5-15 mm broad; apex sometimes mucronate, never
distinctly uncinate |
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29 |
(1) |
Apex
always acute or acuminate |
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(2) |
Apex
always blunt with two glands at summit, phyllodes often slightly up-curved |
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30 |
(1) |
Peduncle
in axillary racemes commonly 1-4 mm long with 2-4 peduncles rarely
greater, rarely solitary |
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(2) |
Peduncles
almost always solitary |
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31 |
(1) |
Branchlets
and young phyllodes viscid; phyllodes punctate, apex acute, with up
to 4 glands along the upper margin |
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(2) |
Branchlets
and phyllodes not viscid, or phyllodes not punctate, apex obtuse,
only 1 gland along the upper margin |
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32 |
(1) |
Phyllodes
5-12 cm long, apex mostly obtuse, mid-vein prominent and many fine
lateral veins, peduncles < 5 mm |
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(2) |
Phyllodes
to 5 cm long, apex acute or obtuse, mid-vein often obscure, peduncles
> 5 mm |
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33 |
(1) |
Phyllode
apex obtuse, phyllodes straight or with slight upward curve, young
tips more or less glabrous |
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(2) |
Phyllode
apex acute, phyllodes slightly recurved, young tips densely pubescent
(later glabrous) |
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34 |
(1) |
Stipules
prominent and spiny |
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(2) |
Stipules
when present small and not spiny |
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35 |
(1) |
Phyllodes
flat, glabrous, rhomboid-orbicular, 1-2 cm long |
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(2) |
Phyllodes
terete, minutely pubescent, 3-6 cm long |
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36 |
(1) |
Phyllodes
humped on the upper margin |
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(2) |
Phyllodes
not humped on the upper margin |
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37 |
(1) |
1
prominent vein parallel to and near the lower margin; heads whitish-yellow,
20-30-flowered; legumes straight or curved |
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(2) |
1
prominent oblique vein with 2-4 rather obscure veins arising from
near the base; heads golden-yellow, 8-15-flowered; legumes spirally
coiled |
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38 |
(1) |
Phyllodes
flat, obliquely ovate-orbicular or obovate, 5-15 mm broad, up to twice
as long as broad |
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(2) |
Phyllodes
flat or angular, linear-subulate or linear-lanceolate or narrow-elliptic,
1-5 mm broad, more than twice as long as broad |
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39 |
(1) |
Branchlets
resinous; phyllodes viscid (at least when young), 1-2.5 cm long |
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(2) |
Branchlets
not resinous; phyllodes not viscid, 2-6 cm long |
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40 |
(1) |
Heads
c. 20-flowered, creamy-yellow; phyllodes spreading horizontally, broadest
at or near the base, viscid, shining |
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(2) |
Heads
50-60-flowered, mid-yellow; phyllodes erect or spreading, broadest
near the centre, slightly viscid |
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41 |
(1) |
Phyllodes
pubescent |
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(2) |
Phyllodes
glabrous (at least with age) |
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42 |
(1) |
Phyllodes
usually clustered in groups 2-5, heads c. 50-flowered |
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(2)
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Phyllodes
scattered, not clustered, heads less than c. 20-flowered |
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43 |
(1) |
Heads
creamy yellow; phyllodes at right angles to branch, apex tapered |
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(2) |
Heads
golden yellow; phyllodes ascending, apex abruptly pungent |
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44 |
(1)
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Unexpanded
racemes at first covered with large imbricate (scale-like) bracts |
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(2) |
Unexpanded
racemes not covered with large imbricate bracts |
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45 |
(1) |
Branchlets
angular-striate, soon terete, pruinose; flowers c. 12 per head; legumes
6-12 cm long, 7-10 mm broad |
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(2) |
Branchlets
acutely angled, triangular appearing flattened, smooth, greenish;
flowers c.6-10 per head; legumes 2-4 mm long, 12-20 mm broad |
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46 |
(1) |
Phyllodes
terete-compressed or quadrangular |
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(2) |
Phyllodes
distinctly flattened |
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47 |
(1) |
Phyllodes
4-13 cm long |
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(2) |
Phyllodes
more than 13 cm long |
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48 |
(1) |
Phyllode
apex acute, pungent-pointed |
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(2) |
Phyllode
apex uncinate or with a short curved mucro, not pungent |
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49 |
(1) |
Phyllodes
quadrangular; apex with a swollen gland below a short curved mucro |
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(2) |
Phyllodes
terete-compressed; apex uncinate, without a swollen gland |
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50 |
(1) |
Mature
phyllodes always covered with short hairs |
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(2) |
Mature
phyllodes-glabrous |
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51 |
(1) |
Hairs
short, appressed, silky; peduncle rarely exceeding phyllodes; phyllodes
< 11 mm wide |
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(2) |
Hairs
dense or scattered, erect; peduncle exceeding phyllodes; phyllodes
> 15 mm wide |
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52 |
(1) |
Flowers
30 or fewer in each head |
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(2)
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Flowers
more than 30 in each head |
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53 |
(1) |
Flowers
4-merous, fewer than 6 in each head |
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(2) |
Flowers
5-merous, more than 6 in each head |
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54 |
(1) |
Calyx
distinctly lobed (sepals free to the base in A. victoriae) |
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(2) |
Calyx
almost truncate, indistinctly lobed |
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55 |
(1) |
Phyllodes
oblanceolate, narrow-obovate |
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(2) |
Phyllodes
linear, narrow-elliptic to lanceolate (sometimes oblanceolate in A.
jennerae) |
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56 |
(1) |
Phyllode
apex uncinate |
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(2) |
Phyllode
apex obtuse or acute never uncinate |
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57 |
(1)
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Branchlets
prominently angular, longitudinally striate; heads 15-20-flowered,
on slender peduncles; funicle encircling the seed |
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(2) |
Branchlets
slightly angular; heads c. 25-flowered, on stout peduncles; funicle
short, not encircling the seed |
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58 |
(1) |
Stipules
prominent, spiny; seeds almost globular, transverse in the legume |
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(2) |
Stipules
inconspicuous, never spiny; seed ovoid, longitudinal in the legume |
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59 |
(1) |
Branchlets
and phyllodes glabrous or almost so |
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(2)
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Branchlets
and phyllodes villous with soft spreading hairs |
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60 |
(1) |
Phyllodes
straight or slightly curved |
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(2) |
Phyllodes
falcate |
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61 |
(1) |
Phyllodes
2-5 cm long, 1 gland near the base; flowers 8-15 in each head |
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(2) |
Phyllodes 5-15 cm long, 1-3 glands along the upper margin; flowers
20-30 in each head |
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62 |
(1) |
Phyllodes
thick, green and wrinkled when dry, usually mucronate; legumes hard,
woody, constricted between the seeds, easily breaking into 1-seeded
segments |
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(2) |
Phyllodes
greyish, flaccid, not wrinkled when dry, usually pendulous, never
mucronate; legumes woody, hardly constricted, not breaking easily
into 1-seeded segments, often suckering |
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63 |
(1) |
Phyllodes
narrow, 1-4 mm wide, apex rounded and more or less symmetrical with
small erect central mucro, legumes 4-5 mm wide, mostly sub coastal
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(2) |
Phyllodes
mostly broader, 4-14 mm wide, apex obliquely mucronate to uncinate,
legumes 5-9 mm wide, very widespread in S.Aust |
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64 |
(1)
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Sepals
free to the base |
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(2) |
Sepals
united for half or more of their length |
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65 |
(1)
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Phyllodes
linear-cultrate or narrow-elliptic |
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(2) |
Phyllodes
narrow- to broad-lanceolate or oblanceolate |
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66 |
(1) |
Phyllodes
with 2-4 small glands along the upper margin; peduncles thick, less
than 10 mm long; seeds compressed, longitudinal |
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(2) |
Phyllodes
with a single conspicuous gland at the base; peduncles slender, 10-38
mm long; seeds almost orbicular, transverse or oblique in the legume |
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67 |
(1) |
Younger
shoots, petiole, axil and pods white pruinose |
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(2) |
Younger
shoots, petiole and axil not conspicuously white pruinose |
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68 |
(1) |
Branchlets
flattened, acutely angled or ribbed, becoming almost terete when mature |
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(2) |
Branchlets
slightly angular, soon terete, smooth |
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69 |
(1) |
Branchlets
and inflorescence rhachis prominently flexuose; phyllodes falcate,
spreading or often reflexed |
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(2) |
Branchlets
and inflorescence rhachis not or only slightly flexuose; phyllodes
straight or slightly curved, spreading not reflexed |
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70 |
(1) |
Flowers
pale-yellow; legumes almost straight-edged; funicle long, encircling
the seed |
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(2)
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Flowers
a bright golden-yellow; legumes slightly constricted between the seeds;
funicle short, never encircling the seed (garden escape) |
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71 |
(1)
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Phyllodes
2-5 mm broad, lateral veins fine, rather obscure or absent |
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(2) |
Phyllodes
more than 5 mm broad, lateral veins numerous, conspicuous |
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72 |
(1) |
Phyllodes
broadest just above the centre but tapering at both ends, a small
gland 15 mm or more from the base; peduncles hoary |
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(2) |
Phyllodes
broadest well above the centre, tapering gradually to the base, a
small gland 5-10 mm from the base; peduncles glabrous |
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73 |
(1) |
Phyllodes
with conspicuous raised anastomosing lateral veins |
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(2) |
Phyllodes
with fine sunken reticulate or anastomosing lateral veins |
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74 |
(1) |
Seeds
transverse in the legume, funicle encircling the seed |
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(2) |
Seeds
longitudinal in the legume; funicle short or, if long, then encircling
the seed |
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75 |
(1)
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Phyllodes
rigid, coriaceous, + straight margin usually prominent apex often
blunt |
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(2) |
Phyllodes
flexible, often falcate, margin not prominent, apex mostly acute,
more or less hooked |
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76 |
(1) |
Phyllode
apices obviously acuminate, surfaces often scurfy; legume thick, coriaceous,
10-25 mm long, 10-15 mm broad; seed broadly ovoid |
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(2)
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Phyllode
apices obtuse or acute; legumes firmly chartaceous, 5-12 cm long,
5-7 mm broad, seeds ovoid-oblong |
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77 |
(1)
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Phyllodes
tapering prominently towards the base; funicle short, not encircling
the seed |
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(2) |
Phyllodes
tapering gradually to both ends, narrow-elliptic to oblanceolate;
funicle long, more or less encircling the seed |
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78 |
(1) |
Flower
heads sessile or on very short pubescent peduncles up to 3 mm 1ong;
phyllodes flat, pungent-pointed |
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(2)
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Flower
heads distinctly pedunculate, more than 3 mm long |
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79 |
(1) |
Phyllode
apex distinctly pungent-pointed |
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(2)
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Phyllode
apex innocuous |
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80 |
(1) |
Phyllodes
broadly triangular, flat, 4-12 mm long, upper margin humped |
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(2) |
Phyllodes
linear, terete-compressed |
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81 |
(1) |
Branches
and phyllodes asperulate |
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(2) |
Branches
and phyllodes not asperulate |
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82 |
(1) |
Phyllodes
c. 16-veined, veins obscure, fine and close together |
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(2) |
Phyllodes
6-8-veined, veins prominent well spaced |
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83 |
(1) |
Phyllodes
6-veined, small stipular prickles usually present |
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(2) |
Phyllodes
8-veined, stipular prickles absent |
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84 |
(1)
|
Branches
and phyllodes resinous, viscid |
|
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(2)
|
Branchlets
and phyllodes not resinous (or only slightly viscid on young branchlets
or immature phyllodes) |
|
85 |
(1) |
Phyllodes
more than 2 mm broad, flat, and with 2 (rarely 3) prominent longitudinal
veins |
|
|
(2) |
Phyllodes
less than 2 mm broad, flattened to terete (flattened phyllodes with
3 (rarely 2) prominent longitudinal veins) |
|
86 |
(1) |
Phyllodes
with obvious secondary anastomosing veins |
|
|
(2) |
Phyllodes
without secondary veins (or if present then rather obscure never anastomosing) |
|
87 |
(1) |
Phyllodes
oblong or narrowly oblong, 1.5-4 cm long, 3-7 mm broad secondary veins
fine, reticulate; legumes densely covered with whitish hairs; seeds
longitudinal in the legume |
|
|
(2) |
Phyllodes
broadly ovate to oblanceolate, 2-7 cm long, 5-15 mm broad, secondary
veins raised and more prominent than above; legumes varnished; seeds
transverse in the legume |
|
88 |
(1) |
Phyllodes
4-12 cm long, punctate, linear-lanceolate, apex acute, with 2 parallel
veins only |
|
|
(2) |
Phyllodes
1-2.5 cm long, oblong, cuneate, not punctate, with a short oblique
mucro, 2 prominent veins with 1-3 fainter parallel veins |
|
89 |
(1) |
Phyllodes
narrow-linear, flattened, never terete; apex uncinate; flowers 4-merous
|
|
|
(2) |
Phyllodes
filiform, terete or compressed, apex with a small oblique mucro, or
obtuse with scarcely any point |
|
90 |
(1)
|
Phyllodes
5-10 cm long |
|
|
(2) |
Phyllodes
1-3.5 cm long |
|
91 |
(1) |
Peduncles
golden-pubescent |
|
|
(2) |
Peduncles
glabrous, viscid |
|
92 |
(1) |
Phyllodes
straight or slightly curved, with 5 or 6 longitudinal veins |
|
|
(2) |
Phyllodes
curved and shallowly sigmoid, 2-veined |
|
93 |
(1) |
Branchlets
spinescent |
|
|
(2) |
Branchlets
not spinescent |
|
94 |
(1) |
Phyllodes
distinctly flattened, with 2-7 more or less prominent veins pre-sent
on each face separated by distinct interstices |
|
|
(2) |
Phyllodes
flat, terete or subterete, with numerous fine, closely placed veins
often only visible under a lens |
|
95 |
(1) |
Phyllodes
with 2 prominent veins, more or less elliptic, 4-12 mm long |
|
|
(2) |
Phyllodes
with 3-7 more or less prominent veins, linear-lanceolate, oblanceolate
or narrowly obovate, 1-10 cm long |
|
96 |
(1) |
Phyllodes
often more than 4 mm wide, hoary, often sub-falcate |
|
|
(2) |
Phyllodes
rarely 4 mm wide, green |
|
97 |
(1)
|
Pod
more or less straight, 8-12 mm wide, seeds longitudinal |
|
|
(2) |
Pod
twisted and coiled, 12-25 .mm wide, seeds transverse |
|
98 |
(1) |
Trees;
phyllodes more or less flaccid, linear, lanceolate, always with 3
prominent longitudinal veins on each face and a number of rather obscure
well spaced reticulate lateral veins between them |
|
|
(2)
|
Shrubs;
phyllodes thick, hard or more or less fleshy, oblanceolate, narrowly
obovate or linear-cuneate, with 3-7 longitudinal veins, on each face,
no reticulate lateral veins |
|
99 |
(1) |
Branchlets
and peduncles glabrous or slightly hairy |
|
|
(2) |
Branchlets
and peduncles hoary |
|
100 |
(1) |
Phyllodes
1-3.5 cm long, glabrous |
|
|
(2) |
Phyllodes
more than 3.5 cm long, pubescent to some degree |
|
101 |
(1) |
Phyllodes
fleshy, grooved and wrinkled when dry |
|
|
(2) |
Phyllodes
not fleshy, smooth or only lightly grooved when dry |
|
102 |
(1) |
Resin
hairs sparse to abundant on young growth, phyllode apex mostly blunt,
peduncles 2-4 mm |
|
|
(2) |
Resin
hairs lacking, branchlets and peduncles glabrous, phyllodes usually
with short, acute, oblique apex, peduncles 6-11 mm |
|
103 |
(1) |
Phyllode
apex obtuse or with a short rather hard but innocuous point, scarcely
tapering-towards the base |
|
|
(2)
|
Phyllode
apex attenuate, delicately curved, not pungent except in A. sp. aff.
papyrocarpa, more or less coarsely pungent |
|
104 |
(1) |
Phyllodes
brittle, snapping easily; veins all fine, obscure; branches smooth,
almost terete |
|
|
(2) |
Phyllodes
tough, not snapping easily; veins yellowish, some more prominent than
others; branches slightly angular, with yellowish ribs |
|
105 |
(1)
|
Legumes
scarcely constricted between the seeds, reticulate, 5-8 mm broad |
|
|
(2) |
Legumes
moniliform, not reticulate, c. 4 mm broad |
|
106 |
(1) |
Phyllodes
terete or quadrangular |
|
|
(2) |
Phyllodes
distinctly flattened |
|
107 |
(1) |
Phyllodes
terete with 7 or 8 fine longitudinal veins, apex coarsely pungent |
|
|
(2) |
Phyllodes
quadrangular with a prominent vein at each angle, apex thickened glandular
|
|
108 |
(1) |
Phyllodes
prominently 3-5-veined on each face with fine reticulate lateral veins
between them |
|
|
(2) |
Phyllodes
with numerous closely approximating very fine longitudinal veins (1-3
sometimes more prominent than the rest) |
|
109 |
(1) |
Phyllodes
elliptic, lanceolate, 7-30 mm broad (usually more than 12 mm broad),
with many obvious reticulate lateral veins |
|
|
(2) |
Phyllodes
narrowly obovate, oblong or lanceolate, up to 12 mm broad, with a
few rather obscure lateral veins |
|
110 |
(1) |
Branchlets
and peduncles hoary; phyllodes 4-6 mm broad; funicle short, folded
under the seed, not encircling the seed |
|
|
(2) |
Branchlets
and peduncles glabrous; phyllodes 6-12 mm broad; funicle a bright
yellowish-orange, encircling the seed in a double fold |
|
111 |
(1) |
Phyllodes
hoary or densely covered with fine appressed silvery hairs |
|
|
(2) |
Phyllodes
glabrous or sparsely pubescent (often scurfy in A. cambagei) |
|
112 |
(1) |
Mature
phyllodes less than 15 cm long; heads 30-40-flowered; sepals free;
legumes to 12 cm long, straight or curved |
|
|
(2) |
Mature
phyllodes usually more than 15 cm long; heads less than 30-flowered;
sepals united; legumes 15 cm or more long, twisted |
|
113 |
(1) |
Mature
phyllodes less than 15 cm long, lanceolate; veins numerous, fine,
closely placed, 1-3 more prominent than the rest |
|
|
(2) |
Mature
phyllodes more than 15 cm long, linear; veins numerous, prominent,
with interstices |
|
114 |
(1) |
Pods
more or less straight. 8-12 mm wide; seeds longitudinal |
|
|
(2)
|
Pods
twisted and coiled, 12-25 mm wide; seeds transverse |
|
115 |
(1)
|
Phyllodes
pungent-pointed |
|
|
(2) |
Phyllodes
not pungent-pointed |
|
116 |
(1)
|
Phyllodes
mostly whorled, 1-veined |
|
|
(2) |
Phyllodes
never whorled, scattered, more than l-veined |
|
117 |
(1) |
Phyllodes
terete, 8-20 cm long; veins fine and numerous |
|
|
(2) |
Phyllodes
flattened, 1-4 cm long, veins 3 or 4 and prominent |
|
118 |
(1) |
Phyllodes
1-2.5 cm long, c. 2 mm broad, with 3 prominent veins, flower spikes
sub-sessile; flowers loosely arranged |
|
|
(2) |
Phyllodes
2-4 cm long, 2-5 mm broad, with 3 or 4 prominent veins; flower spikes
distinctly pedunculate; flowers dense |
|
119 |
(1) |
Phyllodes
distinctly flattened |
|
|
(2) |
Phyllodes
terete or sub-terete |
|
120 |
(1)
|
Phyllodes
more or less flaccid; seeds longitudinally placed in the legume |
|
|
(2) |
Phyllodes
thickened, coriaceous, rigid |
|
121 |
(1) |
Phyllodes
8-33 mm broad |
|
|
(2) |
Phyllodes
less than 8 mm broad, lacking intervening reticulate veins |
|
122 |
(1) |
Phyllodes
falcate, silvery, with 3 principal lateral veins |
|
|
(2) |
Phyllodes
more or less straight, green, with five less prominent lateral veins |
|
123 |
(1) |
Phyllodes
linear-lanceolate or narrow-elliptic, 6-15 cm long, 8-15 mm broad,
usually more than 10 cm long |
|
|
(2) |
Phyllodes
obovate-oblong, 5-9 cm long, 12-35 mm broad, thicker and much more
obtuse than the preceding variety |
|
124 |
(1) |
Phyllodes
3-7 mm broad, with many rather obscure, closely approximating, longitudinal
veins; receptacles golden-pubescent |
|
|
(2) |
Phyllodes
1-3 mm broad, usually with 3 prominent and distant veins (some-times
to 5 on broad phyllodes); receptacles glabrous |
|
125 |
(1) |
Bark
red, shedding in narrow curly strips, seeds longitudinal in legumes |
|
|
(2) |
Bark
grey, not shedding as above, seeds transverse or oblique |
|
126 |
(1)
|
Phyllodes
2-4 (-5) mm wide, linear to very narrow elliptic |
|
|
(2) |
Phyllodes
4-20 mm wide, oblong to elliptic to falcate |
|
127 |
(1)
|
Phyllodes
narrow oblanceolate to oblong, often curved, apex more or less symmetrical,
yellow-green |
|
|
(2) |
Phyllodes
terete to narrow linear, apex often slightly hooked, grey-green |
|
128 |
(1)
|
Phyllodes
mostly 1-2.5 cm long, most plants with dense opaque resin |
|
|
(2) |
Phyllodes
mostly longer, some with resinous margins |
|
129 |
(1) |
Phyllode
margins thick, crenulate, resinous young phyllodes silvery pubescent
|
|
|
(2) |
Phyllode
margins not as above |
|
130 |
(1) |
Phyllodes
oblong-lanceolate, glabrous |
|
|
(2)
|
Phyllodes
elliptic-falcate, densely simply hairy |
|
131 |
(1)
|
Phyllodes
ciliolate along the margins on the upper half to the finely non-pungent
tip; spikes sessile; flowers 4-merous |
|
|
(2) |
Phyllodes
not ciliolate along margins, apex with short callous point or mucro,
spikes pedunculate; flowers 5-merous |
|
132 |
(1) |
Branches
angular, with resinous ridges; phyllodes filiform, 6-veined, deeply
grooved, resinous, with several glands along their length, spikes
short cylindrical or almost globular 1 cm or less long |
|
|
(2) |
Branches
more or less terete, with or without resin, phyllodes narrow linear
1-3 mm wide, finely striate with numerous veins; spikes 1-2 cm long,
usually clearly pedunculate |
|
133 |
(1) |
Legume
woody, cylindrical, hoary, marked with brown resinous parallel veins,
7-10 cm long |
|
|
(2) |
Legume
not as above. |
|
134 |
(1)
|
Legume
linear 5-6 cm long 2-2.5 mm wide, curved and twisted at maturity,
flower spike rarely greater than 1 cm long |
|
|
(2)
|
Legume
oblong or obliquely oblong, 1-7 cm long 0.4-1.5 cm wide, flat or turgid,
flower spikes mostly greater than 1 cm long |
|
135 |
(1) |
Legumes
flat, narrowly winged, seeds transverse to oblique |
|
|
(2) |
Legumes
flattish but turgid and biconvex, not winged, seeds longitudinal |
|
136 |
(1) |
Inflorescence
simple, solitary or 2-5 together |
|
|
(2) |
Inflorescence
racemose or paniculate |
|
137 |
(1) |
Axillary
spines absent |
|
|
(2)
|
Axillary
spines present |
|
138 |
(1) |
Flowering
peduncle with bract at midpoint; pod deeply constricted, hoary pubescent
|
|
|
(2) |
Flowering
peduncle without bract; pod scarcely constricted, glabrous |
|
139 |
(1)
|
Pinnules
10-21 pairs; pods swollen, turgid |
|
|
(2) |
Pinnules
1-5 pairs; pods flat |
|
140 |
(1) |
Pinnules
1-2 pairs; flowering peduncle without bracts at midpoint; pod to 5
cm, glabrous |
|
|
(2)
|
Pinnules
1-5 pairs; flowering peduncle with bract about midpoint; pod 6-20
cm long, constricted between seeds, hoary tomentose |
|
141 |
(1) |
Branchlets
prominently angled with wing-like ridges almost glabrous; foliage
dark-green; pinnules well separated |
|
|
(2)
|
Branchlets
angled or striate but not winged, more or less densely pubescent,
pruinose, foliage greyish-green, glaucous, bluish or silvery; pinnules
crowded |
|
142 |
(1)
|
Leaves
with 2-6 pinna pairs, bluish-glaucous |
|
|
(2) |
Leaves
with 10-26 pinna pairs, greyish-green, glaucous or silvery |
|
143 |
(1) |
Leaf
rhachis with a gland at the junction of each pinna pair and with additional
glands between the pinna pairs |
|
|
(2) |
Leaf
rhachis with a gland at the junction of each pinna pair, no additional
glands between |
|