Herbaceous, annual or biennial, erect, reaching 2–4 ft. in height, the divaricate branches clothed with fine spreading brown silky hairs. Stipules setaceous, minute. Petioles 1–2 in. Leaflets 3, obovate, blunt, reaching 12–18 lines long, glabrescent above, slightly silky beneath. Racemes both lateral and terminal, laxly 6–12-flowered, 2–4 in. long on peduncles 1–4 in. long. Bracts minute, setaceous. Pedicels 1–1 1/2 lines, silky. Calyx 1/4 in. long, with two setaceous bracteoles at the base, clothed with spreading brown hairs, the lanceolate teeth reaching three-quarters of the way down. Corolla bright yellow, half as long again as the calyx; standard 1/4 in. broad. Pod subsessile, linear-oblong, 12–18 lines long, 3/8– 1/2 in. broad, turgid, clothed with fine spreading hairs like those of the stem, 20–30-seeded.
