Grevillea spinosissima McGill.
New Names Grevillea (Proteaceae) 14 (1986)

Conservation Code: Not threatened
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Grazyna Paczkowska, Wednesday 16 August 1995

Very spiny, irregularly branched shrub, (0.3-)0.6-1.5 m high. Fl. white-cream-yellow, Jan or Jun or Sep to Nov. Sand, sandy loam with lateritic gravel, clay.

Distribution

Beard’s Provinces: South-West Province.

IBRA Regions: Avon Wheatbelt, Geraldton Sandplains, Jarrah Forest.

IBRA Subregions: Avon Wheatbelt P1, Avon Wheatbelt P2, Lesueur Sandplain, Northern Jarrah Forest.

Local Government Areas (LGAs): Beverley, Coorow, Dowerin, Quairading, Tammin, Three Springs, Toodyay, Wongan-Ballidu, York.

Scientific Description
Chris Hollister, Nicholas Lander and Kevin Thiele, Friday 20 July 2018

Shrubs, 1-1.5 m high; branchlets hairy, not glaucous. Leaves alternate, 7-20 mm mm long, hairy, on the adaxial or abaxial surface, the hairs straight; lamina flat, once divided, tripartitely divided, divided to the midrib; lobes 5-15 mm long, 0.5-1.5 mm wide, the margins revolute, enclosing the lower surface of the leaf blade, forming a groove either side of the midvein. Inflorescences axillary or terminal, white or cream; pedicels 8-12 mm long. Perianth 3-5 mm long; tepals all free after flower opens, glabrous; ovary glabrous, stipitate, the stipe 1.5-2 mm long; pistil 3-4 mm long, white, pollen presenter conical, style glabrous. Follicles glabrous, not viscid, dehiscent, 7-8 mm long. Flowers in June, July, August or September. Occurs in the South-west (SW) Botanical Province(s), in the Geraldton Sandplains (GS), Avon Wheatbelt (AW) or Jarrah Forest (JF) IBRA subregion(s).