Cyanothamnus coerulescens subsp. spinescens (Benth.) Duretto & Heslewood

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

Scientific Description

Shrub, spines present; branchlets smooth, without distinct raised glands, +/- cylindrical in cross-section, covered in hairs or scales, the hairs simple. Leaves opposite, simple, 3.5-4 mm long, 1.2-2 mm wide, flat, the margins flat, smooth, without distinct raised glands, covered in hairs or scales, with simple hairs; stipular excrescences absent. Flowers axillary, solitary; pedicels 4.5-7 mm long; calyx present, 4-6 mm long, smooth, without distinct raised glands, covered in hairs or scales, the hairs simple; corolla pink, white or cream or blue, petals four, 7.5-9 mm long, imbricate (overlapping), free, hairy on the surfaces; stamens twice as many as petals, 2.5-3 mm long, smooth, hairy; anthers NaN (?) mm long, with an appendage. Flowers in April, July, August, September, October and November. Occurs in the Eremaean and South-West Botanical Province, in the Yalgoo, Murchison, Great Victoria Desert, Mallee and Swan Coastal Plain IBRA region(s).

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


IBRA Regions
Avon Wheatbelt, Coolgardie, Esperance Plains, Geraldton Sandplains, Great Victoria Desert, Mallee, Murchison, Swan Coastal Plain, Yalgoo.
IBRA Subregions
Dandaragan Plateau, Eastern Goldfield, Eastern Murchison, Geraldton Hills, Katanning, Lesueur Sandplain, Merredin, Recherche, Shield, Southern Cross, Tallering, Western Mallee.
IMCRA Regions
Central West Coast.
Local Government Areas (LGAs)
Bruce Rock, Chapman Valley, Coolgardie, Coorow, Corrigin, Cunderdin, Dandaragan, Dowerin, Dumbleyung, Dundas, Goomalling, Greater Geraldton, Irwin, Kalgoorlie-Boulder, Kellerberrin, Kondinin, Koorda, Kulin, Lake Grace, Menzies, Merredin, Mingenew, Moora, Morawa, Mount Marshall, Mukinbudin, Narembeen, Northam, Northampton, Nungarin, Perenjori, Pingelly, Quairading, Ravensthorpe, Tammin, Three Springs, Trayning, Victoria Plains, Wongan-Ballidu, Wyalkatchem, Yalgoo.