Daviesia tortuosa Crisp
Austral.Syst.Bot. 8:1239-1241,Fig.37 (1995)

Conservation Code: Priority Three
Naturalised Status: Native to Western Australia
Name Status: Current

Brief Description
Grazyna Paczkowska, Friday 7 June 1996

Spreading, divaricate, wiry, intricate shrub, to 1 m high. Fl. yellow. Gravelly loam over laterite.


Beard’s Provinces: South-West Province.

IBRA Regions: Avon Wheatbelt, Mallee.

IBRA Subregions: Avon Wheatbelt P2, Western Mallee.

Local Government Areas (LGAs): Dumbleyung, Kent, Kulin, Lake Grace.

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

Prostrate,spreading or scrambling, shrub, spindly shrub (broom-like). Stems terete, not spiny, glabrous; pustules or glands absent. Leaves or phylloclades clearly present, simple, alternate, not continuous with stem, 14-45 mm long, 3-15 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, 2.5-3 mm long, glabrous. Bracteoles absent. Calyx 3-3.3 mm long, not accrescent, glabrous, ribless; pustules or glands absent. Corolla 6-7 mm long, uniformly coloured, yellow; claws present; standard 5 mm long, glabrous, not auriculate, wings 5.5 mm long, not auriculate, keel 4.5-4.7 mm long, beaked, not auriculate, glabrous. Stamens ten; anthers 0.3-0.4 mm long, at two different levels (filaments alternately long and short); filaments free (or united at the very base), 3.5-5 mm long. Ovary sessile or subsessile, glabrous; style 4-5 mm long, glabrous, terete. Fruit dehiscent (a pod or follicle), 16-18 mm long, 9-10 mm wide, sessile or subsessile, not constricted between the seeds, flat or compressed, glabrous, beaked. Flowers in April and December. Occurs in the South-West Botanical Province, in the Avon Wheatbelt and Mallee IBRA regions. Conservation Code Priority Three (P3).