Herbs, annual, 15-60 cm tall. Stems and branchlets slender, glabrous. Stipules lanceolate, ca. 8 mm, membranous, glabrous. Leaves 10-14-foliolate; petiole 1.5-2 cm, glabrous; rachis 1.5-3 cm; petiolules less than 1 mm, glabrous; leaflet blades oblanceolate to linear-oblong, 6-12 × 2-4 mm, midvein and margin bristly, apex obtuse to rounded. Inflorescences axillary or terminal, scorpioid cymes, often with 12 or more flowers in cluster; peduncle 1-2 mm; bracts stipule-shaped, almost as long as calyx, margin ciliate. Bracteoles lanceolate, 4-5 mm, with trichomes. Calyx 4-8 mm, membranous, with reticulate veins, margin densely setose. Corolla yellow or white, slightly longer than calyx; standard obovate, ca. 5 mm wide; wings and keels small, straight, auriculate. Stamens diadelphous. Ovary with a short stipe, with trichomes. Legume a plicate loment, shortly stipitate, divided into 6-8 articles; articles almost globose, 1-1.5 mm, densely papillate. Seeds not seen. Fl. Aug-Sep, fr. Oct-Nov.
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