Daviesia horrida Meisn. Prickly Bitter-pea
Lehm., Pl.Preiss. 1:54-55 (1844)

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

Brief Description
Grazyna Paczkowska, Tuesday 4 June 1996

Divaricate shrub, 0.3-2 m high. Fl. yellow/orange & red/brown, Jul to Nov. Laterite or granite. Outcrops, rocky hillsides, flats.


Beard’s Provinces: South-West Province.

IBRA Regions: Esperance Plains, Jarrah Forest, Swan Coastal Plain, Warren.

IBRA Subregions: Fitzgerald, Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren.

IMCRA Regions: Leeuwin-Naturaliste.

Local Government Areas (LGAs): Albany, Armadale, Augusta Margaret River, Boyup Brook, Brookton, Busselton, Chittering, Collie, Cranbrook, Dardanup, Denmark, Donnybrook-Balingup, Gosnells, Kalamunda, Kojonup, Manjimup, Mundaring, Murray, Nannup, Perth, Plantagenet, Serpentine-Jarrahdale, Swan, Wandering, York.

Scientific Description
C. Hollister and K.R. Thiele, Friday 17 January 2020

Erect, shrub, spindly shrub (broom-like). Stems terete, glabrous; pustules or glands absent. Leaves or phylloclades clearly present, simple, alternate, not continuous with stem, 25-145 mm long, 3-20 mm wide, glabrous, flat with flat margins; margins entire; tubercles absent; pustules or glands absent. Stipules apparently absent even from the youngest leaves. Pedicel present, 4-5.2 mm long, glabrous. Bracteoles absent. Calyx 2.8-4.8 mm long, glabrous, ribbed; pustules or glands absent. Corolla 9-11 mm long, multicoloured, mostly yellow or orange, with some yellow or orange spots, streaks or blotches; claws present; standard 8.5-10 mm long, glabrous, not auriculate, wings 6.5-7.5 mm long, not auriculate, keel 6.5-7 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), 6-7 mm long. Ovary sessile or subsessile, glabrous; style 7.5-8 mm long, glabrous, terete. Fruit dehiscent (a pod or follicle), 10-18 mm long, 10-20 mm wide, sessile or subsessile, not constricted between the seeds, flat or compressed, glabrous, beaked. Flowers in July, August, September, October and November. Occurs in the South-West Botanical Province, in the Avon Wheatbelt, Jarrah Forest, Warren, Esperance and Swan Coastal Plain IBRA regions.