Stems erect or ascending, slightly strigose. Leaves odd pinnate, petioles 2.5-7 cm long; leaflets (7-) 9-13 paired, obovate to oblanceolate, 0.8-2.5 cm long, inevidently stigulose both surfaces, pale below; stipules semipersistent.
Fruits crowded, 2.8-3.5 cm long, divergent to declined, deciduous, dehiscent, linear and slightly falcate or abruptly upturned at tip, subterete, usually submoniliform, thinly coriaceous, strigose. Seeds several to numerous.
Stipe: 2-4 cm long, 0.5-1.5 cm thick, equal with a small bulb at the base, tough and pliant, smooth, yellowish above and dark brown below; the base strigose
with brownish-yellow tomentum.
Leaves 4.5-12.5 cm long; petiole 3-15 mm long; pulvinus 1.3-2.2 mm diam; rachis 3.6-8.2 cm long, interfoliolar segments 0.6-2 cm long; extrafloral nectaries 3-7, claviform and fusiform, stipitate, located between all pairs of leaflets, occasionally absent in the proximal pair or 0-2 in the distal, 2-3 x 0.2-0.6 mm; leaflets 3-7 pairs, chartaceous, adaxial surface strigose
, the distal 10-50 x 4-23 mm, the proximal 10-40 x 4-12 mm, elliptic, lanceolate, oblong, ovate and oval-lanceolate, venation craspedodromous, nervures 9-11 pairs, apex acute, acute-mucronate, obtuse, obtuse-mucronate, acuminate and rarely emarginate, base oblique and subcordate, margin revolute, ciliated.
Capsule operculate (lower portion rarely tardily loculical) with a short calyptrate indehiscent operculum with osseous endocarp becoming free from membranous longer portion; annual herb; stems strigose
throughout from only simple trichomes to 1.5 mm long that are hyaline, rigid, appressed, straight above base; stipules demidiate-ovate or demidiate-cordiform, broad (most 2-4 mm) W.