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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 Conservation listings displayed on Florabase may also be out of date.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 oligantha F.Muell.

Reference
Fragm. (Mueller) 6:206 (1868)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Much-branched shrub, (0.3-)0.6-1.8(-2.5) m high. Fl. red-orange-pink, Apr to Dec or Jan. Sandy or clayey loam soils over laterite or limestone, often with gravel.

Grazyna Paczkowska, Descriptive Catalogue, 11 August 1995
Image

Scientific Description

Shrubs, 1-2.5 m high; branchlets hairy, not glaucous. Leaves alternate, 25-70 mm long, 5-10 mm wide, hairy or glabrous, on the adaxial or abaxial surface, the hairs straight; lamina flat, clearly widest above the middle, entire, the margins recurved. Inflorescences axillary or terminal, yellow, orange or brown; pedicels 4-7 mm long. Perianth 10-15 mm long; tepals all free after flower opens, hairy, simple-hairy; ovary glabrous, stipitate, the stipe 2-3 mm long; pistil 18-25 mm long, yellow, pollen presenter lateral or oblique, style glabrous. Follicles glabrous, not viscid, dehiscent, 10-12 mm long. Flowers in May, June, July, August, September, October or November. Occurs in the Eremaean (ER) or South-west (SW) Botanical Province(s), in the Coolgardie (COO), Mallee (MAL) or Esperance Plains (ESP) IBRA subregion(s).

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

Distribution

IBRA Regions
Coolgardie, Esperance Plains, Mallee.
IBRA Subregions
Eastern Goldfield, Eastern Mallee, Fitzgerald, Mardabilla, Recherche, Southern Cross, Western Mallee.
IMCRA Regions
WA South Coast.
Local Government Areas (LGAs)
Albany, Broomehill-Tambellup, Dundas, Esperance, Gnowangerup, Jerramungup, Kent, Kondinin, Lake Grace, Ravensthorpe, Yilgarn.