Daviesia preissii Meisn.
Lehm., Pl.Preiss. 1:50-51 (1844)

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

Brief Description
Grazyna Paczkowska, Thursday 6 June 1996

Dense shrub, 0.3-0.6(-1.5) m high. Fl. yellow & red, Dec or Jan to Feb. Lateritic soils (sand, clay, gravel), sand over granite. Hillslopes, low ridges.

Distribution

Beard’s Provinces: South-West Province.

IBRA Regions: Avon Wheatbelt, Esperance Plains, Geraldton Sandplains, Jarrah Forest, Mallee, Swan Coastal Plain, Warren.

IBRA Subregions: Avon Wheatbelt P2, Dandaragan Plateau, Fitzgerald, Lesueur Sandplain, Northern Jarrah Forest, Perth, Southern Jarrah Forest, Warren, Western Mallee.

IMCRA Regions: Leeuwin-Naturaliste, WA South Coast.

Local Government Areas (LGAs): Albany, Armadale, Augusta Margaret River, Beverley, Boddington, Boyup Brook, Bridgetown-Greenbushes, Brookton, Broomehill-Tambellup, Bunbury, Busselton, Capel, Chittering, Collie, Coorow, Cranbrook, Dandaragan, Denmark, Dumbleyung, Gnowangerup, Kalamunda, Manjimup, Mundaring, Murray, Nannup, Narrogin, Northam, Plantagenet, Serpentine-Jarrahdale, Swan, Toodyay, Victoria Plains, Wagin, Wandering, Waroona, West Arthur, Williams, York.

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

Erect, 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, 15-40 mm long, 1.4-2.3 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, 4.5-5 mm long, glabrous. Bracteoles absent. Calyx 3-4.5 mm long, glabrous; pustules or glands absent. Corolla 9-10.5 mm long, multicoloured, mostly yellow or red, with some yellow or red spots, streaks or blotches; claws present; standard 7.5-9.5 mm long, glabrous, not auriculate, wings 8-9 mm long, not auriculate, keel 8.5-10 mm long, beaked, not auriculate, glabrous. Stamens ten; anthers 0.5-1 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 7.5-9 mm long. Ovary sessile or subsessile, glabrous; style 8-9.5 mm long, glabrous, terete. Fruit dehiscent (a pod or follicle), 12-17 mm long, 10-12 mm wide, sessile or subsessile, not constricted between the seeds, flat or compressed, glabrous, beaked. Flowers in January, February and December. Occurs in the South-West Botanical Province, in the Geraldton Sandplains, Avon Wheatbelt, Jarrah Forest, Mallee, Warren, Esperance and Swan Coastal Plain IBRA regions.