Erect annual herb, branched at the base.. Stems graceful, together with leaf-and inflorescence-rhachides sparsely bristly-hairy.. Leaves 10–30-foliolate; leaflets linear-oblong, small, subtruncate and mucronate at the apex; petiole very short; stipules lanceolate, 3–4 times as long as the petioles, cuspidate, striate.. Inflorescences axillary, graceful, few-flowered, 2–3 times as long as the leaves; pedicels bristly-hairy, 3–5 times as long as the glabrous calyx.. Corolla minute, twice as long as the calyx.. Pods of 1 or 2 articles, each semicircular, with bristly hairy margins and glabrous but papillate faces.
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