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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not reflected in Florabase, herbarium collections, or in the census. We are hoping to be able to reinstate services around December 15; we will provide an update at that time.

The notice period started at 9:00 am on Wednesday, 1 October 2025 +08:00 and will end at 12:00 pm on Monday, 15 December 2025 +08:00.

Grevillea dielsiana C.A.Gardner
Diels Grevillea

Reference
J.Roy.Soc.Western Australia 27:169 (1942)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Spreading, non-lignotuberous shrub, (0.3-)0.6-2(-2.5) m high. Fl. red/red-orange/yellow-orange/pink, Apr to Oct. Yellow sand. Sandplains.

Grazyna Paczkowska, Descriptive Catalogue, 8 August 1995
Image

Scientific Description

Shrubs, 1.5-2 m high; branchlets glabrous or hairy, with a glaucous bloom. Leaves alternate, 30-80 mm long, hairy, on the abaxial surface, the hairs straight; lamina flat, twice or more divided, tripartitely divided, divided to the midrib; lobes 8-20 mm long, 1 mm wide, the margins revolute, enclosing the lower surface of the leaf blade, forming a groove either side of the midvein. Inflorescences terminal, yellow, orange or red; pedicels 4-7 mm long. Perianth 7-10 mm long; tepals all free after flower opens, glabrous; ovary glabrous, stipitate, the stipe 2-3 mm long; pistil 25-35 mm long, red, pollen presenter lateral, style glabrous. Follicles glabrous, not viscid, dehiscent, 10-14 mm long. Flowers in August or September. Occurs in the Eremaean (ER) or South-west (SW) Botanical Province(s), in the Yalgoo (YAL), 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, Yalgoo.
IBRA Subregions
Edel, Geraldton Hills, Lesueur Sandplain, Merredin.
Local Government Areas (LGAs)
Chapman Valley, Greater Geraldton, Irwin, Mingenew, Morawa, Northampton, Perenjori, Shark Bay, Three Springs.