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 Conservation listings displayed on Florabase may also be out of date.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