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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.

Muiriantha hassellii (F.Muell.) C.A.Gardner

Reference
J.Roy.Soc.Western Australia 27:209 (1942)
Conservation Code
Priority Four
Naturalised Status
Native to Western Australia
Name Status
Current

Slender, erect shrub, 0.15-0.3 m high. Fl. yellow, Apr to Oct. Peaty sand, stony clay. Hillsides & summits.

Grazyna Paczkowska, Descriptive Catalogue, 22 August 1996

Scientific Description

Shrub, spines absent; branchlets smooth, without distinct raised glands, +/- cylindrical in cross-section, glabrous. Leaves alternate, simple, 10-20 mm long, 2-4 mm wide, flat, the margins flat, smooth, without distinct raised glands, covered in hairs or scales, with stellate (star shaped) hairs; stipular excrescences absent. Flowers; pedicels 0.5 mm long; calyx present, 3-6 mm long, smooth, without distinct raised glands, covered in hairs or scales, the hairs stellate (star-shaped); corolla yellow, petals five, 13-25 mm long, imbricate (overlapping), free, glabrous; stamens twice as many as petals, 14-20 mm long, smooth, hairy; anthers 1 mm long, without an appendage; style 14-17 mm long, glabrous. Flowers in April, May, June, July, August, September and October. Occurs in the South-West Botanical Province, in the Jarrah Forest and Esperance IBRA region(s). Conservation Code: Priority Four (P4).

C. Hollister and K.R. Thiele, 14 November 2023

Distribution

IBRA Regions
Esperance Plains, Jarrah Forest.
IBRA Subregions
Fitzgerald, Southern Jarrah Forest.
Local Government Areas (LGAs)
Albany, Cranbrook, Gnowangerup, Plantagenet.