Crotalaria abbreviata Baker F.

Annual, ascending to 3 dm., usually with a short leading shoot and long prostrate lower branches.. Stem pilose or hirsute with rather tawny spreading hairs.. Leaves 3-foliolate; leaflets oblanceolate to obovate-elliptic, up to 12–36(–50) mm. long and 5–11 mm. wide, thinly pilose with mostly appressed hairs on both surfaces; petiole 3–6 mm. long.. Stipules filiform, 2–4·5 mm. long.. Racemes shortly pedunculate, ± 2–3(–7) cm. long, with ± 5–15(–28) crowded flowers; bracts subulate or filiform, 2–4 mm. long; bracteoles inserted at the base of the calyx, similar to the bract, 1·5–2 mm. long.. Calyx becoming basally truncate and deflexed against the pedicel, 2·5–4 mm. long, pilose; lobes triangular, slightly acuminate, ± as long as the tube.. Standard suborbicular, pale yellow, veined purplish-brown and glabrous outside; wings longer than the keel; keel rounded about the middle, with a short straight untwisted beak, 4–5 mm. long.. Pod sessile, subglobose, slightly compressed laterally, 6–8 mm. long, densely covered with rather long soft or bristly hairs over a felty tomentum, rather thick-walled, (1–)2–4-seeded.. Seeds oblique-cordiform, 3–3·8 mm. long, smooth, pale ochre-brown.