Rhadinothamnus rudis (Bartl.) Paul G.Wilson subsp. rudis

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

Shrub, 0.3-2 m high. Fl. white, Jan to May or Jul to Aug or Oct to Nov. Sandy & clay, often stony soils. Coastal limestone & plains.

Grazyna Paczkowska, Descriptive Catalogue, 22 August 1996

Scientific Description

Shrub, spines absent; branchlets smooth, without distinct raised glands, +/- cylindrical or winged or strongly angled in cross-section, covered in hairs or scales, the hairs stellate (star-shaped). Leaves alternate, simple, 7-15 mm long, 4-8 mm wide, flat, the margins flat, smooth, without distinct raised glands, glabrous; stipular excrescences absent. Flowers axillary, solitary; pedicels 4-8 mm long; calyx present, 0.5-1 mm long, smooth, without distinct raised glands, glabrous; corolla white or cream, petals five, 4.5-7 mm long, imbricate (overlapping), free, lepidote (with scales); stamens twice as many as petals, 3-3.5 mm long, smooth, glabrous; anthers 0.5-1 mm long, without an appendage. Flowers in January, February, March, April, May, July, August, October and November. Occurs in the South-West Botanical Province, in the Avon Wheatbelt, Jarrah Forest, Mallee, Warren and Esperance IBRA region(s).

C. Hollister and K.R. Thiele, 8 December 2020


IBRA Regions
Avon Wheatbelt, Esperance Plains, Jarrah Forest, Mallee, Warren.
IBRA Subregions
Fitzgerald, Katanning, Recherche, Southern Jarrah Forest, Warren, Western Mallee.
IMCRA Regions
WA South Coast.
Local Government Areas (LGAs)
Albany, Dumbleyung, Esperance, Gnowangerup, Jerramungup, Kent, Kulin, Plantagenet, Ravensthorpe.