Annual subglabrous herb, usually rather stout and spreading, differing from the two previous species in the leaflets rather wider in proportion to their length, up to 52 by 16 mm.; peduncles glabrous; outer bracts ovate, lobed or toothed, up to 7 mm. long; calyx-lobes ovate at the base, overlapping when mature, drawn out into subulate points, in all 4–7 mm. long.. Standard 11–12 mm. long.. Stamens ± 8 mm. long.. Ovules 4–6.. Pod with a very wide dorsal suture, ±4 by 2·5 mm.. Seeds 4–5, or perhaps sometimes fewer by abortion, golden brown, ellipsoid oblong, ± 1·8 by 1·2 mm.; hilum at the end.