Plants 10-20 cm tall, subacaulescent; hairs white, in inflorescence also blackish brown. Stem 2-5 cm, 2-2.5 mm thick, glabrous or in upper part loosely spreading hairy. Leaves 5-16 cm; stipules 8-13 mm, lower ones vaginate-connate behind stem, without leaf, bractlike, upper ones narrowly triangular to oblong-elliptic, free, ciliate; petiole 2-4.5 cm, like rachis spreading hairy; leaflets in 7-13 pairs, ovate to elliptic, 4-12 × 3.5-9 mm, abaxially hairy only at midvein and margins, adaxially glabrous, apex acute. Racemes short, rather densely 8-13-flowered; peduncle 5-17 cm, appressed to spreading hairy; bracts 4-10 × 1-2 mm, white and black hairy. Calyx 8.5-9.5 mm, loosely covered with long, ascending, black hairs; teeth 3-5 mm, with white and black hairs. Petals bluish violet or violet; standard elliptic to ovate, 15.5-17.5 × 5.5-8 mm, slightly to deeply emarginate; wings 15.5-17.5 mm; keel 15-18 mm. Ovary with a stipe 3-5 mm, densely white or blackish brown hairy. Legumes (unripe) with a stipe 5-7 mm, more than 10 mm, densely covered with ascending black hairs ca. 0.5 mm.
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