Psophocarpus palustris Desv.

A bean. It is a herb that keeps growing from year to year. The leaflets are more more hairy underneath than Psophocarpus scandens. The pods are 2.5-5.5 cm long.

Bushland; savannah; riverine forest by stream in savannah; moist grassy places, swampy sites; humid alluvium along margins of water lines; (wet) secondary forest near water; thicket on damp soil; edge of marigot.

The ripe seeds are eaten cooked. The young pods and rhizomes are cooked and eaten. The leaves are also eaten.

Can be grown by seedlings. Seeds needs soaking.