Leaves 3-foliolate or more usually pinnate, imparipinnate or paripinnate with the rhachis ending in a tendril or spine; leaflets conspicuously dentate; stipules small or large, foliaceous, dentate or incised.
Erect or prostrate annuals, or perennial herbs with annual stems from woody rootstocks, pubescent with stalked glandular hairs or hairs eglandular, sometimes the leaf rhachis, peduncles and stipules spinose.
Corolla white, pink, purplish or blue, veined; standard obovate, narrowed into a broad claw, without appendages; wings oblong-obovate, free from the keel.
Ovary sessile, 1–10-ovuled; style filiform, incurved, glabrous; stigma dilated or not, terminal.
Morphological characters and geographic distribution are the same as those of the tribe.
Calyx nearly regular, 5-lobed; tube short, oblique or dorsally gibbous; lobes subequal.
Flowers solitary or in 2–5-flowered axillary racemes; bracts small; bracteoles absent.
Pods sessile, elliptic, obovate or elongate-rhomboid, acuminate, inflated.
Seeds subglobose to oblong-obovoid, beaked; hilum without an aril.
Vexillary stamen free; anthers all similar.