Prostrate or procumbent shrub, up to 1 m high. Leaves trifoliolate. Leaflets elliptic to obovate, sparsely pilose to glabrous. Stipules single. Inflorescences single-flowered; bracts small. Flowers yellow. Petals: standard striated, venation not conspicuous. Flowering time Sept.-Dec. Pod sessile, ovoid to widely oblong.
Prostrate or procumbent, short-lived herbaceous perennial or annual, up to 0.2 m tall, sparsely to densely hairy, sometimes silky. Leaves 3-foliolate, leaflets linear to obovate. Flower 1, on a short peduncle, yellow, often cleistogamous, calyx ± equally lobed. Pod ovoid to broadly oblong, strongly inflated laterally.
Prostrate or procumbent shrublet to 20 cm. Leaves 3-foliolate, leaflets linear to obovate, thinly hairy, stipules solitary. Flowers solitary on short peduncles, yellow, often cleistogamous.