Prostrate to bushy shrub up to c. 2 m. tall, with densely divaricating branches, mature branchlets brown, glab. Lvs up to 2.5 cm. long, lflt-pairs up to 8, lflts c. 4 mm. long, oblong, glab. when mature except on midrib below, veins evident. Fls solitary, paired, or three together on slender silky-hairy peduncles, orange to brownish yellow, rarely bright yellow. Calyx appressed-hairy, c. 1 cm. long; standard up to 1·5 cm. long, slightly or distinctly shorter than wings; keel c. 2 cm. long. Pods up to 3-(5) cm. long, including beak, silky-hairy when young, up to 5-seeded, very narrowly winged. Seeds dark to reddish brown, c. 7 mm. long.

2n = 18

n = 9

2n = 18