Skip to main content

Daviesia incrassata Sm. subsp. incrassata

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

Erect shrub, 0.3-1.2 m high, branchlets gently flexuose & trigonous. Fl. yellow/orange & red/brown, Jun to Nov. Grey sand, often over laterite, clayey sand. Flats, sandplains, hillsides.

Grazyna Paczkowska, Descriptive Catalogue, 5 June 1996
Image

Scientific Description

Erect, shrub, spindly shrub (broom-like). Stems terete, not spiny, glabrous; pustules or glands absent. Leaves or phylloclades clearly present, simple, alternate, continuous with stem, 6-25 mm long, 1-4 mm wide, glabrous, terete or flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Stipules apparently absent even from the youngest leaves. Pedicel present, 2-4 mm long, glabrous. Bracteoles absent. Calyx 2.7-4 mm long, not accrescent, glabrous, ribbed; pustules or glands absent. Corolla 7-11 mm long, multicoloured, mostly yellow, red, orange or brown, with some yellow, red, orange or brown spots, streaks or blotches; claws present; standard 5.5-8.5 mm long, glabrous, not auriculate, wings 6-7.5 mm long, not auriculate, keel 6-7.5 mm long, beaked, not auriculate, glabrous. Stamens ten; anthers 0.2-0.3 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 5.5-7 mm long. Ovary sessile or subsessile, glabrous; style 7-8.5 mm long, glabrous, not bearded, terete. Fruit dehiscent (a pod or follicle), sessile or subsessile, not constricted between the seeds, flat or compressed, glabrous, beaked. Flowers in June, July, August, September, October and November. Occurs in the Eremaean and South-West Botanical Province, in the Coolgardie, Geraldton Sandplains, Avon Wheatbelt, Jarrah Forest, Mallee, Warren, Esperance and Swan Coastal Plain IBRA regions.

C. Hollister and K.R. Thiele, 24 October 2023

Distribution

IBRA Regions
Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.
IBRA Subregions
Dandaragan Plateau, Eastern Mallee, 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, Beverley, Boddington, Boyup Brook, Bridgetown-Greenbushes, Broomehill-Tambellup, Chittering, Collie, Coorow, Corrigin, Cranbrook, Dandaragan, Denmark, Donnybrook-Balingup, Dumbleyung, Esperance, Gingin, Gnowangerup, Harvey, Jerramungup, Katanning, Kent, Kojonup, Kulin, Lake Grace, Manjimup, Perth, Pingelly, Plantagenet, Ravensthorpe, Rockingham, Victoria Plains, Wagin, West Arthur, Wickepin, Williams, Woodanilling.