Plants ca. 60 cm tall. Stems erect, green-blue, sometimes dark reddish, glabrous. Leaves 10-13 cm; stipules narrowly ovate, 20-26 × 5-8 mm, usually with conspicuous veins, free, glabrous; petiole 1-4 cm; leaflets in 3-5 pairs, narrowly ovate, 26-42 × 10-17 mm, sparsely appressed hairy abaxially, glabrous adaxially. Racemes 5-10-flowered; peduncle 5-7 cm; bracts 11-14 × 2.5-4 mm, densely appressed white hairy. Calyx 9-11 mm, sparsely appressed white hairy, at teeth sometimes with a few black hairs mixed in; teeth triangular, very short and nearly inconspicuous. Petals yellow; standard elliptic, 20-22 × ca. 7 mm, gradually narrowed at base, apex emarginate; wings 20-21 mm; keel 18.5-20 mm. Ovary with a slender stipe 12-14 mm, glabrous. Legumes unknown.
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