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Cyanothamnus subsessilis (Benth.) Duretto & Heslewood

Reference
Taxon 69:494 (2020)
Conservation Code
Not threatened
Naturalised Status
Native to Western Australia
Name Status
Current

Scientific Description

Shrub, spines absent; branchlets smooth, without distinct raised glands, +/- cylindrical in cross-section, glabrous. Leaves opposite, simple, 8-22 mm long, 0.5-1 mm wide, flat, the margins flat, smooth, without distinct raised glands, glabrous; stipular excrescences absent. Flowers axillary, solitary; pedicels 1-4 mm long; calyx present, 2-2.5 mm long, smooth, without distinct raised glands, glabrous; corolla purple, white or cream, blue or green, petals four, 6-7 mm long, imbricate (overlapping), free, glabrous; stamens twice as many as petals, warty with prominent raised glands, hairy or ciliate (with a marginal fringe of hairs); anthers 0.8-1 mm long, with an appendage. Flowers in April, October, November and December. Occurs in the South-West Botanical Province, in the Jarrah Forest, Warren and Swan Coastal Plain IBRA region(s).

C. Hollister and K.R. Thiele, 14 November 2023

Distribution

IBRA Regions
Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.
IBRA Subregions
Dandaragan Plateau, Fitzgerald, Katanning, Lesueur Sandplain, Northern Jarrah Forest, Perth, Recherche, Southern Jarrah Forest, Warren, Western Mallee.
IMCRA Regions
WA South Coast.
Local Government Areas (LGAs)
Albany, Boyup Brook, Broomehill-Tambellup, Busselton, Chittering, Coorow, Cranbrook, Denmark, Dumbleyung, Esperance, Gingin, Gnowangerup, Jerramungup, Kent, Kojonup, Manjimup, Mundaring, Narrogin, Northam, Plantagenet, Quairading, Ravensthorpe, West Arthur, Williams, York.