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 Conservation listings displayed on Florabase may also be out of date.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

Reference
New Names Grevillea 3 (1986)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Shrub, (2-)3-5.5 m high. Fl. orange/red-orange, May to Aug. Skeletal sandy soils over sandstone, red sand. Ridge tops or upper slopes, red sand dunes.

Grazyna Paczkowska, Descriptive Catalogue, 4 August 1995

Scientific Description

Trees or Shrubs, 4-5.5 m high; branchlets hairy, not glaucous. Leaves alternate, 70-100 mm long, 35-55 mm wide, hairy, on the adaxial or abaxial surface, the hairs straight; lamina flat, clearly widest above the middle, once divided, pinnately divided, shallowly divided, the margins flat. Inflorescences axillary or terminal, orange; pedicels 7-9 mm long. Perianth 7-10 mm long; tepals all free after flower opens, hairy, glandular-hairy; ovary glabrous, stipitate, the stipe 2-4 mm long; pistil 10-12 mm long, orange, pollen presenter lateral, style hairy. Follicles glabrous, not viscid, dehiscent, 17-24 mm long. Flowers in May, June, July or August. Occurs in the Northern (N) or Eremaean (ER) Botanical Province(s), in the Great Sandy Desert (GSD) or Ord-Victoria Plains (OVP) IBRA subregion(s).

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

Distribution

IBRA Regions
Ord Victoria Plain, Victoria Bonaparte.
IBRA Subregions
Purnululu.
Local Government Areas (LGAs)
Halls Creek.