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Tephrosia sp. clay soils (S. van Leeuwen et al. PBS 0273)

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

Scientific Description

Prostrate,spreading or scrambling, herb. Stems terete, not spiny, hairy; pustules or glands absent. Leaves or phylloclades clearly present, compound, alternate, continuous with stem, 45-80 mm long, hairy, with simple hairs, flat with flat margins; margins entire; tubercles absent, leaflets 5, palmately arranged, terminal leaflet present, sessile; pustules or glands absent. Stipules present and persistent to older leaves, 5.2-7.5 mm long, without glands, ribless. Pedicel present, 2-2.5 mm long, hairy. Bracteoles present and persistent. Calyx 3.5-4 mm long, not accrescent, hairy, with simple hairs, ribless; pustules or glands absent. Corolla 8-8.5 mm long, uniformly coloured, orange; claws present; standard 7-8 mm long, hairy at least in part, not auriculate, wings 6-7 mm long, not auriculate, keel 6-7.5 mm long, not beaked, not auriculate, hairy at least in part. Stamens ten, at two different levels (filaments alternately long and short); filaments united in an open sheath with one free stamen, 4-5 mm long. Ovary hairy or glandular; style 6-7 mm long, hairy or glandular towards the base, not bearded, terete. Fruit dehiscent (a pod or follicle), 35-50 mm long, 3-5 mm wide, constricted between the seeds, flat or compressed, hairy, with simple hairs, not beaked. Flowers in May. Occurs in the Eremaean Botanical Province, in the Pilbara, Gascoyne and Murchison IBRA regions.

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

Distribution

IBRA Regions
Carnarvon, Gascoyne, Murchison, Pilbara.
IBRA Subregions
Ashburton, Augustus, Cape Range, Chichester, Fortescue, Hamersley, Roebourne, Western Murchison.
IMCRA Regions
Pilbara (nearshore).
Local Government Areas (LGAs)
Ashburton, East Pilbara, Exmouth, Karratha, Meekatharra, Murchison, Port Hedland, Upper Gascoyne.