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Service Notice

The Western Australian Herbarium’s collections management system, WAHerb, and DBCA’s flora taxonomic names application, WACensus, have been set to read-only mode since 1 October 2025. Recent taxonomic changes are not currently being reflected in Florabase, herbarium collections, or the census. The project team is now conducting testing of the migrated data, and a further update will be provided by the end of the financial year (1 July). Please reach out to us if you have any questions or concerns.

The notice period started at 9:45 am on Friday, 12 December 2025 +08:00 and will end at 12:00 pm on Wednesday, 1 July 2026 +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.