Skip to main content

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 Conservation listings displayed on Florabase may also be out of date.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

Isopogon longifolius R.Br.

Reference
Trans.Linn.Soc.London 10:73 (1810)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

?Lignotuberous shrub, 0.5-1.5(-2.5) m high. Fl. yellow, Oct to Dec or Jan. Sandy soils on laterite, skeletal soils.

Grazyna Paczkowska, Descriptive Catalogue, 21 August 1995
Image

Scientific Description

Shrubs, 1-2.5 m high; branchlets glabrous. Leaves alternate, 85-220 mm long, 6-30 mm wide, glabrous; lamina flat, clearly widest above the middle, entire. Inflorescences not viscid, cream or yellow. Perianth 13-15 mm long, hairy, the limb apex hairy all over; pistil 15-20 mm long; pollen presenter fusiform, glabrous, 2.5-3.5 mm long. Cone with deciduous scales, 24-28 mm long. Flowers in January, October, November or December. Occurs in the South-west (SW) Botanical Province(s), in the Avon Wheatbelt (AW), Jarrah Forest (JF), Mallee (MAL), Warren (WAR) or Esperance Plains (ESP) IBRA subregion(s).

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

Distribution

IBRA Regions
Avon Wheatbelt, Esperance Plains, Jarrah Forest, Mallee, Warren.
IBRA Subregions
Fitzgerald, Katanning, Southern Jarrah Forest, Warren, Western Mallee.
IMCRA Regions
WA South Coast.
Local Government Areas (LGAs)
Albany, Cranbrook, Denmark, Gnowangerup, Jerramungup, Manjimup, Plantagenet.