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

Family: Proteaceae
Grevillea umbellifera

Citation: J. Black, Trans. R. Soc. S. Aust. 71:21 (1947).

Synonymy: Not Applicable

Common name: None

Shrub 0.6-2 m high; branchlets persistently raised-tomentose obscuring a fine rib decurrent from each leaf base; leaves erect, flat, rigid, usually narrow-linear, 4-15 cm X 1.5-2.6 mm, ?rarely bi- or tri-partite, light-green to grey-green, appressed-pubescent, quickly glabrescent, smooth with obscure venation above, with 2 persistently pubescent narrow grooves between the recurved margins and broad midrib below, mucro straight.

Racemes axillary or terminal on short shoots, umbelliform, with 10-20 or fewer flowers, simple, rarely 2 or 3 in a short panicle, rhachis 4-7 mm long, white-tomentose, pedicel and perianth externally raised-tomentose, pink; pedicel 6-14 mm long; torus oblique; perianth 15-22 mm long, dilated towards the base, slightly curved below the globular limb, splitting fully down one side only, glabrous and deep-red inside; gland large, horseshoe-shaped, obscured by the torus; pistil slender, glabrous, ?red apart from the ovary, style obliquely inserted on the ovary, about twice the length of the gynophore, bent at the apex, 10-16 mm long (straightened), obliquely exserted beyond the perianth; pollen-presenter an oblique almost lateral convex disc with recurred lateral margins and a very short central cone.

Fruit slightly compressed, curved-ellipsoid, c. 9-15 mm long, smooth, dark-brown to black, glabrous, laterally but vertically inserted on a very long slender stipe, with a persistent laterally inserted erect style; seed flat, elliptic, dark-brown, surrounded by a narrow cream wing.

image of FSA1_Grevillea_umb.jpg Grevillea umbellifera, twig and upper and lower surface of leaves and section, flower, pistil and fruit.
Image source: fig 70f in Jessop J.P. & Toelken H.R. (Ed.) 1986. Flora of South Australia (4th edn).

Distribution:  On sand dunes or sand overlying limestone, in mallee woodland.


Conservation status: native

Flowering time: (?Aug.) Sept. — Jan.

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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