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Service Notice

The Western Australian Herbarium’s collections management system and census were set to read-only mode on 1 October 2025. Taxonomic updates published since this time are not being reflected in Florabase, herbarium collections, or Western Australia’s taxonomic names census (Nomos). Conservation listings displayed on Florabase may also be out of date. Please refer to DBCA’s Threatened species and communities webpage for the most recent Threatened and Priority Flora List, noting that recent taxonomic updates are similarly not included. Our database migration is moving to a staging phase. We thank you for your patience as we ensure the integrity of our biodiversity data, develop new workflows, and train staff to use the new systems. Please reach out to us if you have any questions or concerns.

The notice period started at 12:00 pm on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Friday, 1 January 2027 +08:00.

Grevillea olivacea A.S.George
Olive Grevillea

Reference
Nuytsia 1:373 (1974)
Conservation Code
Priority Four
Naturalised Status
Native to Western Australia
Name Status
Current

Erect, non-lignotuberous shrub, 1-4.5 m high. Fl. red/red-pink, Jun to Sep. White or grey sand. Coastal dunes, limestone rocks.

Grazyna Paczkowska, Descriptive Catalogue, 11 August 1995
Image

Scientific Description

Shrubs, 3-4 m high; branchlets hairy, not glaucous. Leaves alternate, 30-75 mm long, 3-20 mm wide, hairy or glabrous, on the adaxial or abaxial surface, the hairs straight; lamina flat, clearly widest above the middle, entire, the margins flat or recurved, exposing the lower surface of the leaf blade. Inflorescences axillary or terminal, yellow, orange or red; pedicels 4-5 mm long. Perianth 7-10 mm long; tepals some joined and some free after flower opens, hairy, simple-hairy; ovary glabrous, stipitate, the stipe 3-5 mm long; pistil 22-28 mm long, yellow or red, pollen presenter oblique, style glabrous. Follicles glabrous, not viscid, dehiscent, 11-15 mm long. Flowers in June, July, August, September or October. Occurs in the South-west (SW) Botanical Province(s), in the Geraldton Sandplains (GS) or Swan Coastal Plain (SWA) IBRA subregion(s). : Conservation code Priority Four (P4).

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

Distribution

IBRA Regions
Geraldton Sandplains, Swan Coastal Plain.
IBRA Subregions
Dandaragan Plateau, Geraldton Hills, Lesueur Sandplain, Perth.
IMCRA Regions
Central West Coast.
Local Government Areas (LGAs)
Carnamah, Cockburn, Coorow, Dandaragan, Greater Geraldton, Irwin.