Cyanothamnus coerulescens (F.Muell.) Duretto & Heslewood subsp. coerulescens

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, covered in hairs or scales, the hairs stellate (star-shaped). Leaves opposite, simple, 3.5-5.5 mm long, 1-1.2 mm wide, subterete, the margins concave (curved inward), verrucose (warty) or smooth, without distinct raised glands, covered in hairs or scales, with stellate (star shaped) hairs; stipular excrescences absent. Flowers axillary, solitary; pedicels 3(-3.5) mm long; calyx present, 3-3.5 mm long, verrucose (warty), glabrous; corolla pink or blue, petals four, 9-11 mm long, imbricate (overlapping), free, glabrous; stamens twice as many as petals, warty with prominent raised glands, glabrous, with an appendage. Flowers in April and August. Occurs in the South-West Botanical Province, in the Coolgardie, Avon Wheatbelt, Mallee and Esperance IBRA region(s).

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


IBRA Regions
Avon Wheatbelt, Coolgardie, Esperance Plains, Mallee.
IBRA Subregions
Eastern Goldfield, Eastern Mallee, Fitzgerald, Katanning, Merredin, Recherche, Southern Cross, Western Mallee.
Local Government Areas (LGAs)
Bruce Rock, Coolgardie, Dundas, Esperance, Kondinin, Lake Grace, Pingelly, Quairading, Ravensthorpe, Yilgarn.