Cyanothamnus bussellianus (F.Muell.) Duretto & Heslewood

Taxon 69:493 (2020)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status

Scientific Description

Shrub, spines absent; branchlets smooth, without distinct raised glands, +/- cylindrical in cross-section, glabrous. Leaves opposite, simple, 4-13 mm long, 0.5-0.7 mm wide, terete, smooth, without distinct raised glands, glabrous; stipular excrescences absent. Flowers axillary, solitary or in axillary, loose clusters (cymes or panicles); pedicels 5-8.5 mm long; calyx present, 2.5-4 mm long, smooth, without distinct raised glands, glabrous; corolla pink, white or cream or blue, petals four, 8-10.5 mm long, imbricate (overlapping), free, glabrous; stamens twice as many as petals, 4-5 mm long, smooth, glabrous, with an appendage; style 5-5.7 mm long, glabrous. Flowers in September and October. Occurs in the South-West Botanical Province, in the Jarrah Forest, Mallee, Esperance, Swan Coastal Plain and Geraldton IBRA region(s).

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


IBRA Regions
Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain.
IBRA Subregions
Fitzgerald, Katanning, Lesueur Sandplain, Merredin, Northern Jarrah Forest, Perth, Southern Jarrah Forest, Western Mallee.
Local Government Areas (LGAs)
Beverley, Boddington, Busselton, Carnamah, Coorow, Cranbrook, Cuballing, Dandaragan, Dumbleyung, Gnowangerup, Irwin, Narrogin, Northam, Pingelly, Ravensthorpe, Toodyay, West Arthur, Williams, Woodanilling, York.