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Grevillea trifida (R.Br.) Meisn.

Reference
Lehm., Pl.Preiss. 1:553 (1845)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Spreading, spiny shrub, 0.3-1.7 m high. Fl. white-cream, Jul to Dec or Jan to Feb. Sandy or gravelly soils, sometimes swampy.

Grazyna Paczkowska, Descriptive Catalogue, 17 August 1995
Image

Scientific Description

Shrubs, 0.5-1.5 m high; branchlets hairy, not glaucous. Leaves alternate, 20-110 mm long, hairy, on the abaxial surface, the hairs straight; lamina flat, once divided or twice or more divided, pinnately divided or tripartitely divided, divided to the midrib; lobes 5-20 mm long, 1-4 mm wide, the margins recurved or revolute, exposing the lower surface of the leaf blade, forming a groove either side of the midvein. Inflorescences axillary or terminal, white or cream; pedicels 4-6 mm long. Perianth 2-4 mm long; tepals some joined and some free after flower opens, glabrous; ovary glabrous, stipitate, the stipe 0.5-1 mm long; pistil 4-6.5 mm long, white or cream, pollen presenter conical, style glabrous. Follicles glabrous, not viscid, dehiscent, 7.5-9.5 mm long. Flowers in July, August, September, October or November. Occurs in the South-west (SW) Botanical Province(s), in the Swan Coastal Plain (SWA), Avon Wheatbelt (AW), Jarrah Forest (JF), Mallee (MAL), Warren (WAR) or Esperance Plains (ESP) IBRA subregion(s).

C. Hollister and K.R. Thiele, 19 January 2024

Distribution

IBRA Regions
Avon Wheatbelt, Esperance Plains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.
IBRA Subregions
Fitzgerald, Katanning, Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren, Western Mallee.
IMCRA Regions
WA South Coast.
Local Government Areas (LGAs)
Albany, Augusta Margaret River, Boyup Brook, Bridgetown-Greenbushes, Busselton, Capel, Cranbrook, Dardanup, Denmark, Donnybrook-Balingup, Gnowangerup, Kojonup, Lake Grace, Manjimup, Murray, Nannup, Plantagenet, West Arthur, Williams.