Daviesia pachyphylla F.Muell. Ouch Bush
Fragm. 4:15-16 (1863)

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

Brief Description
Grazyna Paczkowska, Wednesday 5 June 1996

Erect, spreading shrub, 0.3-1.2 m high, leaves semi-succulent. Fl. yellow/orange & red/brown, May to Sep. Sandy soils over lateritic gravel. Sandplains.


Beard’s Provinces: South-West Province.

IBRA Regions: Esperance Plains, Mallee.

IBRA Subregions: Eastern Mallee, Fitzgerald, Recherche, Western Mallee.

IMCRA Regions: WA South Coast.

Local Government Areas (LGAs): Albany, Esperance, Jerramungup, Lake Grace, Ravensthorpe.

Scientific Description
C. Hollister and K.R. Thiele, Friday 4 December 2020

Erect or prostrate,spreading or scrambling, shrub, spindly shrub (broom-like). Stems terete, spiny at least in part, glabrous; pustules or glands absent. Leaves or phylloclades clearly present, simple, alternate, not continuous with stem, 11-25 mm long, 4-6 mm wide, glabrous, terete; tubercles absent; pustules or glands absent. Stipules apparently absent even from the youngest leaves. Pedicel present, 2.5-2.6 mm long, glabrous. Bracteoles absent. Calyx 4-5 mm long, glabrous; pustules or glands absent. Corolla 8-8.3 mm long, multicoloured, mostly yellow, red, orange or brown, with some yellow, red, orange or brown spots, streaks or blotches; claws present; standard 6-6.4 mm long, glabrous, not auriculate, wings 5-6.5 mm long, not auriculate, keel 5.5-5.7 mm long, beaked, not auriculate, glabrous. Stamens ten; anthers 0.3-0.6 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 4.5-6.7 mm long. Fruit dehiscent (a pod or follicle), not constricted between the seeds, flat or compressed, beaked. Flowers in May, June, July, August and September. Occurs in the South-West Botanical Province, in the Mallee and Esperance IBRA regions.