Crotalaria grandistipulata Harms

Erect perennial, with a single usually unbranched stem from a well-developed swollen taproot, up to 4·5–7(–10) dm. tall.. Stem ribbed or terete towards the base, densely silky pubescent or tomentose with mostly appressed hairs.. Leaves 3-foliolate; leaflets oblong-obovate, up to 7–9·5 cm. long, 2·5–4·8 cm. wide, appressed pubescent on both surfaces; petiole ± 2–5·5 cm. long.. Stipules oblong-falcate, up to 17–35 mm. long, 6–20 mm. wide, acuminate, very unequal-sided.. Racemes shortly pedunculate, dense, up to 6–13 cm. long, ± 8–15-flowered; bracts ovate-caudate, up to 11 mm. long, 6 mm. wide, caducous; bracteoles inserted on the pedicel, linear-subulate, 3·5–6 mm. long.. Calyx 14–16 mm. long, densely silky pubescent; upper lobes free at anthesis, attenuate-triangular, 2–3 times as long as the tube.. Standard suborbicular, yellow, tinged and fading orange-red, glabrous outside; wings broadly oblong, longer than the keel; keel abruptly rounded near the middle, with a rather short practically straight blunt untwisted beak, 19–21 mm. long, lanate towards the upper margin.. Pod shortly stipitate, broadly cylindrical, 35–40 mm. long, 15 mm. across, velvety tomentose, ± 14–18-seeded.. Seeds oblong-reniform, 5–5·5 mm. long, smooth or granulate, brownish, tinged orange-red.