Electronic Flora of South Australia
Electronic Flora of South Australia
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Electronic Flora of South Australia species Fact Sheet

Family: Fabaceae
Swainsona campylantha

Citation: F. Muell., Enum. Greg. Pl. 6 (1859).

Synonymy: Not Applicable

Common name: None

Firstly prostrate then stems rising, weak to rigid, to 60 cm long; pubescence of basifixed hairs, thick on youngest parts and glabrescent later; leaves 2-7 cm long, with 5-7 leaflets; leaflets linear-acute to lanceolate or elliptic, 5-60 x 2-5 mm, the terminal being distinctly longer, pubescent with a few scattered white appressed hairs; stipules linear, 2-3 mm long, easily deciduous.

Flowers 7-10 mm long, on 1.5-3 mm long pedicels, in 5-15-flowered loose racemes on the distal half of more or less strigose peduncles; peduncles 7-20 (rarely more) cm long; bract ovate, c. 1 mm long, scarious, long-ciliate; bracteoles linear, to 1 mm long, scarious; calyx 4-6 mm long; glabrous except for ciliate triangular-subulate teeth, shorter than the tube; petals purple (pinkish- or bluish-purple); standard broad-ovate, 10-15 mm broad, gently notched, ecallose (rarely slightly thickened above the short claw); wings longer than the keel, spathulate, geniculate near the base, twisted, auricle firm above the thick short claw; keel semicircular, obtuse, usually with a pair of folds near the auricle, tip slightly turned more or less sideways; ovary subsessile, subcylindrical, reddish-brown, glabrous to densely appressed-pubescent (in S.Aust.); style rigid, thickened at the base, twisted with the keel, slightly grooved, gradually attenuated into the tip, apparently articulate with the darker ovary, straw-coloured and bearded chiefly in the distal part; tip shortly incurved to hooked, with an oblique ring of hairs behind the stigma.

Pod oblong-cylindrical, 10-30 x c. 4 mm, narrowed at both ends, upper suture impressed more than half-way, more or less covered with evenly distributed white hairs, 10-20-seeded; seed obliquely reniform, 2-3 mm long, yellowish-green to olive-green, smooth.

image of FSA2_Swainsona_campy.jpg
Image source: fig. 329B in J.P. Jessop and H.R. Toelken Ed. 1986. Flora of South Australia (4th edn).

Published illustration: Williams (1984) Native plants of Queensland 2:273.

Distribution:  on sandy soil.

S.Aust.: NW, LE, GT, FR.   W.Aust.; N.T.; Qld; N.S.W.

Conservation status: native

Flowering time: May — Nov.

SA Distribution Map based
on current data relating to
specimens held in the
State Herbarium of South Australia

Biology: No text

Author: Not yet available

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