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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.

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Grevillea delta (McGill.) Olde & Marriott

Reference
Grevillea 1:181 (1994)
Conservation Code
Priority Two
Naturalised Status
Native to Western Australia
Name Status
Current

Shrub, 0.3-1.8 m high. Fl. red, Jun to Jul or Sep to Oct. Sandy clay, loam, gravelly soils, often over sandstone. Sandstone outcrops, creek beds.

Grazyna Paczkowska, Descriptive Catalogue, 8 August 1995

Scientific Description

Shrubs, 1-2 m high; branchlets hairy, not glaucous. Leaves alternate, 10-20 mm long, hairy, on the adaxial or abaxial surface, the hairs straight; lamina flat, once divided, pinnately divided, divided to the midrib; lobes 2-10 mm long, 0.8-1 mm wide, the margins revolute, enclosing the lower surface of the leaf blade, forming a groove either side of the midvein. Inflorescences terminal, red; pedicels 2-4 mm long. Perianth 7-10 mm long; tepals some joined and some free after flower opens, hairy, simple-hairy; ovary glabrous, stipitate, the stipe 2-3 mm long; pistil 20-25 mm long, red, pollen presenter oblique, style glabrous. Follicles glabrous, not viscid, dehiscent, 10-12 mm long. Flowers in June, July, August, September or October. Occurs in the South-west (SW) Botanical Province(s), in the Geraldton Sandplains (GS) IBRA subregion(s). : Conservation code Priority Two (P2).

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

Distribution

IBRA Regions
Geraldton Sandplains.
IBRA Subregions
Lesueur Sandplain.
Local Government Areas (LGAs)
Coorow, Dandaragan.