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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 armigera Meisn.
Prickly Toothbrushes

Reference
A.DC., Prodr. 14:373 (1856)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Prickly, erect to spreading, non-lignotuberous shrub, (0.6-)1-3.6 m high. Fl. green/green & yellow & black & red, Jan to Feb or Jun to Dec. Yellow or white sand, gravelly soils, sandy clay.

Grazyna Paczkowska, Descriptive Catalogue, 4 August 1995
Image

Scientific Description

Shrubs, 1-2 m high; branchlets hairy, not glaucous. Leaves alternate, 20-30 mm long, hairy, on the abaxial surface, the hairs straight; lamina flat, twice or more divided, pinnately divided, divided to the midrib; lobes 8-15 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 terminal, green, yellow or grey; pedicels 1-2 mm long. Perianth 8-9 mm long; tepals all free after flower opens, hairy, simple-hairy; ovary hairy, sessile; pistil 16-20 mm long, purple or black, pollen presenter oblique, style glabrous. Follicles hairy, not viscid, dehiscent, 12-14 mm long. Flowers in January, February, June, July, August, September, October, November or December. Occurs in the South-west (SW) Botanical Province(s), in the Geraldton Sandplains (GS) or Avon Wheatbelt (AW) IBRA subregion(s).

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

Distribution

IBRA Regions
Avon Wheatbelt, Geraldton Sandplains.
IBRA Subregions
Katanning, Lesueur Sandplain, Merredin.
Local Government Areas (LGAs)
Dalwallinu, Goomalling, Koorda, Moora, Wongan-Ballidu.