Plants 40-45 cm tall, with white hairs 0.1-0.3 mm, only at leaves 0.5-0.7 mm. Stems several, zigzaglike bent at nodes at least in upper part, slender, mostly glabrous. Leaves 6-12 cm; stipules membranous, yellowish, soon withering, narrowly oblong to narrowly triangular, 5-8(-12) mm, glabrous or sparsely ciliate; petiole 2-4 cm, like rachis sparsely appressed hairy, at insertion of leaflets mostly with a small tuft of short hairs; leaflets in (1 or)2 pairs, with short, often undulate-winged petiolules, narrowly elliptic, 1.5-4.5(-6) × 0.7-2(-2.5) cm, abaxially pale green, reticulately nerved, and loosely covered with partly spreading hairs, adaxially dark green and glabrous, apex obtuse to acute. Racemes many flowered, in fruit elongated and up to 11 cm; peduncle often branched and inflorescence therefore nearly paniculate, 1-4 cm, slender, glabrous; bracts greenish, linear, 2-4 mm, deflexed, soon falling. Calyx widely campanulate-tubular, 4-5 mm, subglabrous to loosely appressed hairy; teeth inconspicuous, less than 0.3 mm. Petals yellow; standard elliptic-oblong, 8-10 × ca. 4 mm, very slightly emarginate; wings 6-8 mm; keel 8-10 mm. Legumes with a stipe 6-8 mm, obliquely ovoid, 1-1.5 cm, 5-7 mm high, compressed laterally, apex long acuminate; valves yellowish, thinly membranous, glabrous. Seeds mostly 1.
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A herb. It grows 40-45 cm tall. It has white hairs. There are several stems and they are bent in zigzag fashion. The leaves are 6-12 cm long. There are 1 or 2 pairs of leaflets. These are 2-5 cm long by 1-2 cm wide. They are pale green underneath. The pods are 1-2 cm long.
Can be grown by seedlings. Seeds needs soaking.
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