F. Muell., Trans. Phil. Soc. Vic. 1:22 (1854).
Synonymy: Not Applicable
Common name: Desert grevillea, desert spider-flower.
Rounded shrub to 4 m diam.; branchlets persistently appressed-pubescent; leaves erect, narrow-linear, 6-21 cm X c. 1-1.5 mm, ?very rarely pinnatipartite, appressed-tomentose, glabrescent, dark- to grey-green, smooth or longitudinally ribbed above, with 2 grooves between the recurved margins and midrib below, mucro slender, straight.
Racemes axillary or terminal, simple, enclosed when young in caducous membranous bracts, with c. 60-100 white flowers; rhachis, pedicel and perianth externally appressed-tomentose, the perianth sparsely so, rhachis 7.5-12 cm long including the long peduncle; pedicel 1.5-3.5 mm long; torus slightly oblique; perianth 2.5-3.5 mm long, greatly reflexed below the globular limb, splitting into 4 free segments; gland semi-annular; gynophore appressed-tomentose, as long as the hirsute ovary; style curved, 9-13 mm long (straightened), glabrous; pollen-presenter an oblique broad convex disc narrowing into a short cone.
Fruit somewhat compressed, broad-ellipsoid, 15-22 mm long, laterally and obliquely inserted on a short stout stipe, woody, tomentose, glabrescent, with style base persistent, short, lateral, oblique.
||Grevillea pterosperma, twig, upper and lower surface of leaves and section, flower, pistil and fruit.
Image source: fig 70d in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).|
Cunningham et al. (1982) Plants of western New South Wales, p. 212.
In deep sands, often of dunes and on kopi mounds (sand overlying gypsum), in sclerophyllous shrublands and woodlands.
S.Aust.: NW, LE, NU, GT, FR, EP, MU, SE. W.Aust.; N.S.W.; Vic.
Flowering time: Sept. — Feb.
SA Distribution Map based
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specimens held in the
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