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

Family: Proteaceae
Grevillea aspera

Citation: R. Br., Trans. Linn. Soc. 10:172 ( 1810).

Synonymy: Grevillea aspera

Common name: Rough grevillea.

Shrub 0.3-2 m high; branchlets terete, raised-tomentose; leaves rigid, flat with recurved margins, subsessile or shortly petiolate, elliptic or narrowly so, rarely linear, 1.2-9.5 cm X 1.2-11 mm, discolorous, appressed- to raised-tomentose, acute to obtuse, shortly mucronate, the upper surface soon glabrescent, dark-green, minutely tuberculate, with yellow penninervation, the veins long, distally parallel to the mid-vein, the lower surface with a slender midrib and the venation obscured by a persistent tomentum.

Racemes axillary or terminal on short shoots, pendulous, with 6-42 spreading to ascending flowers, simple, rarely with 2 or 3 in a panicle; rhachis, pedicel and perianth externally densely raised-tomentose, the perianth tube sparsely tomentose; rhachis 1.4-4.5 cm long; pedicel 2.5-6 mm long; torus oblique; perianth 5-10 mm long, dilated and red in the lower half, narrowed and green to greenish-yellow distally, recurred below the globular limb, splitting down one side only; gland prominent, horseshoe-shaped; pistil stout, glabrous; style about 3 times the length of the gynophore, 4-6 mm long, pink-red or yellow, gradually dilated in the upper third into the truncate-cuneate lateral pollen-presenter which is concave by its recurved margins and with a brief central cone.

Fruit ellipsoid, 13-18 mm long, brown-black but glaucous, inserted vertically on the c. 8 mm long stipe, with a persistent vertical subterminal style; seed brown, narrow-ellipsoid when young, the groove on one side surrounded by a very narrow white wing produced at the seed apex into a caruncle-like white body.

image of FSA1_Grevillea_asp.jpg twig, upper and lower leaf surface, flower pistil and fruit
Image source: fig. 71a in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Distribution:  In shallow soils often on rocky hillsides, sometimes on limestone, in sclerophyllous shrublands.

S.Aust.: FR, EP.

Conservation status: native

Flowering time: April — 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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