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 Conservation listings displayed on Florabase may also be out of date.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

Isopogon formosus R.Br. subsp. formosus

Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Low, bushy or slender, upright, non-lignotuberous shrub, 0.2-2 m high. Fl. pink-purple/red, Jul to Dec. White/grey or yellow sand, sandy soils over laterite or granite. Undulating sandplains, outcrops, rocky rises, seasonally swampy sites.

Amanda Spooner, Descriptive Catalogue, 9 January 1997
Image

Scientific Description

Shrubs, 0.5-2 m high; branchlets glabrous or hairy, with straight hairs or with curled hairs. Leaves alternate, 25-65 mm long, glabrous; lamina terete or flat, twice or more divided, pinnately divided or tripartitely divided, divided to the midrib, with (3-)8-16(-22) points or lobes; distance from base of leaf to lowest lobe 14-50 mm. Inflorescences not viscid, red or pink. Perianth 18-31 mm long, hairy, the limb apex hairy at the apex only; pistil 18-31 mm long; pollen presenter not fusiform, hairy, 4-6.5 mm long, the brush 1-2 mm long. Cone with deciduous scales, 15-20 mm long. Flowers in May, July, August, September, 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
Eastern Mallee, Fitzgerald, Katanning, Recherche, Southern Jarrah Forest, Warren, Western Mallee.
IMCRA Regions
WA South Coast.
Local Government Areas (LGAs)
Albany, Cranbrook, Denmark, Esperance, Gnowangerup, Jerramungup, Kojonup, Plantagenet, Ravensthorpe.