Swainsona tanamiensis is a species of flowering plant in the family Fabaceae and is endemic to north-western Australia.
It is a prostrate or erect perennial plant with imparipinnate leaves with 5 to 13 broadly egg-shaped to elliptic, or almost round leaflets, and racemes of up to 8 purple flowers.
Swainsona tanamiensis is a prostrate or erect perennial plant that typically grows to a height of up to about 25 cm (9.8 in), and has many hairy stems.
[2][3] Swainsona tanamiensis was first formally described in 1993 by Joy Thompson in the journal Telopea from specimens collected by William Robert Barker near Lake Ruth in the Tanami Desert in 1975.
[2] This species of pea grows in clay or sandy soil on floodplains, and the edges of salt lakes in the Dampierland, Gascoyne, Great Sandy Desert, Pilbara and Tanami bioregions of Western Australia and the Northern Territory.