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

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

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, 8 December 2020


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