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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s flora taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not currently being reflected in Florabase, herbarium collections, or the census. The project team is now conducting testing of the migrated data, and a further update will be provided by the end of the financial year (1 July). Please reach out to us if you have any questions or concerns.

The notice period started at 9:45 am on Friday, 12 December 2025 +08:00 and will end at 12:00 pm on Wednesday, 1 July 2026 +08:00.

Grevillea occidentalis R.Br.

Reference
Trans.Linn.Soc.London 10:173 (1810)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Spreading to erect shrub, 0.4-1(-1.8) m high. Fl. pink-white-other, May to Jul or Sep to Dec or Jan to Feb. Sand over laterite or granite, gravel, loam.

Grazyna Paczkowska, Descriptive Catalogue, 11 August 1995
Image

Scientific Description

Shrubs, 1-1.5 m high; branchlets hairy, not glaucous. Leaves alternate, 10-45 mm long, 2-8 mm wide, hairy or glabrous, on the abaxial surface, the hairs straight; lamina flat, clearly widest above the middle, entire, the margins recurved or revolute, exposing the lower surface of the leaf blade. Inflorescences axillary or terminal, white or grey; pedicels 4-7 mm long. Perianth 3-5 mm long; tepals some joined and some free after flower opens, hairy, simple-hairy; ovary hairy, stipitate, the stipe 0.5-1 mm long; pistil 6-9 mm long, pink, pollen presenter lateral or oblique, style hairy. Follicles hairy, not viscid, dehiscent, 8-11 mm long. Flowers in January, February, August, September, October, November or December. Occurs in the South-west (SW) Botanical Province(s), in the Avon Wheatbelt (AW), Jarrah Forest (JF), 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, Warren.
IBRA Subregions
Fitzgerald, Katanning, Southern Jarrah Forest, Warren.
IMCRA Regions
WA South Coast.
Local Government Areas (LGAs)
Albany, Cranbrook, Denmark, Manjimup, Nannup, Plantagenet.