Crotalaria spartea R.Br. ex Baker

Erect or straggling annual, up to 1 m. tall, with well-spaced wide-angled ascending branches.. Stem sparsely appressed pubescent, glabrescent.. Leaves very shortly petiolate, simple; blades mostly linear-lanceolate to lanceolate, up to 62–125 mm. long and 5–8 mm. wide, the lower ones sometimes elliptic, up to 35 mm. long and 11 mm. wide, glabrous above, sparsely appressed puberulous beneath; petiole 1–2 mm. long.. Stipules linear, 1–2·5 mm. long.. Racemes up to 10–28 cm. long, with ± 10–16(–22) laxly arranged flowers; bracts filiform, 1–2 mm. long; bracteoles inserted at the base of the calyx, subulate, up to 1–2 mm. long.. Calyx 3–4 mm. long, sparsely appressed puberulous; lobes narrowly attenuate-triangular, ± as long as the tube.. Standard elliptic or obovate-elliptic, bright yellow, with reddish veins and glabrous outside; wings much shorter than the keel; keel shallowly curved just below the middle, with an acute only slightly incurved narrow untwisted beak, 7–9 mm. long.. Pod practically sessile, subcylindrical, slightly broadened towards the apex, 16–20 mm. long, 4–5 mm. across, glabrous except for a few hairs along the upper side, green mottled dull purple before maturity, ± 24-seeded.. Seeds oblique-cordiform, ± 2 mm. long, blue-green, smooth.. Fig. 129, p. 938.