Skip to main content

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 hortiorum Olde

Reference
Telopea 24:2-5, Figs 1-3 (2021)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Shrubs, 1.5 m high; branchlets glabrous, not glaucous. Leaves alternate, 7-30 mm long, hairy, on the abaxial surface, the hairs straight; lamina flat, twice or more divided, tripartitely divided, divided to the midrib, the margins revolute, enclosing the lower surface of the leaf blade, forming a groove either side of the midvein. Inflorescences terminal, green or white; pedicels 6-8 mm long. Perianth 2.5-3 mm long; tepals all free after flower opens, glabrous; ovary glabrous, stipitate, the stipe 1-1.5 mm long; pistil 3.5-4.5 mm long, white, pollen presenter conical, style glabrous. Follicles glabrous, dehiscent, 10 mm long. Flowers in August, September or October. Occurs in the South-west (SW) Botanical Province(s), in the Avon Wheatbelt (AW) or Jarrah Forest (JF) IBRA subregion(s).

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

Distribution

IBRA Regions
Avon Wheatbelt, Jarrah Forest.
IBRA Subregions
Katanning, Northern Jarrah Forest.
Local Government Areas (LGAs)
Northam, Toodyay, York.