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Tephrosia sp. Pentecost River (I.D. Cowie 4168)

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

Scientific Description

Erect, shrub, spindly shrub (broom-like). Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, continuous with stem, 25-70 mm long, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent, leaflets 3-9, pinnately arranged, terminal leaflet present, stalked; pustules or glands absent. Stipules present and persistent to older leaves, 3 mm long, without glands, ribless. Pedicel present, 2-3.5 mm long, hairy. Bracteoles present and persistent. Calyx 5-6 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 7-8.5 mm long, uniformly coloured, mauve; claws present; standard 6-8 mm long, hairy at least in part, not auriculate, wings 6-7 mm long, not auriculate, keel 5-5.5 mm long, not beaked, not auriculate, glabrous. Stamens ten, at two different levels (filaments alternately long and short); filaments united in an open sheath with one free stamen, 5-6.5 mm long. Ovary sessile or subsessile, hairy or glandular; style 7-7.5 mm long, hairy or glandular towards the base, not bearded, flattened at apex. Fruit dehiscent (a pod or follicle), 20-25 mm long, 3-4 mm wide, sessile or subsessile, constricted between the seeds, flat or compressed, hairy, with simple hairs, not beaked. Flowers in February, May, June and July. Occurs in the Northern Botanical Province, in the Northern Kimberley, Victoria Bonaparte, Central Kimberley, Ord-Victorian-Plain and Dampierland IBRA regions.

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

Distribution

IBRA Regions
Central Kimberley, Dampierland, Northern Kimberley, Ord Victoria Plain, Victoria Bonaparte.
IBRA Subregions
Berkeley, Fitzroy Trough, Hart, Keep, Mitchell, Mount Eliza, Pentecost, Pindanland, Purnululu.
IMCRA Regions
Kimberley.
Local Government Areas (LGAs)
Broome, Derby-West Kimberley, Halls Creek, Wyndham-East Kimberley.