Herbs, perennial. Tuber 1-1.5 cm. Stems suberect to ascending, rarely decumbent, (7-)10-22 cm, with 1 or 2 scale leaves and often with 3 cauline leaves; lower leaf with broad vaginate base. Axillary branches from prophyll and often from lower cauline leaf; axillary tubers absent. Leaves biternate to triternate; leaflets entire to deeply cleft into obovate-obtuse to sharply acute lobes; sometimes upper and lower leaves clearly different (upper with rounded lobes, lower with narrow acute lobes). Raceme 7-13-flowered; lower bracts with coarse teeth, upper bracts entire or with 1 or 2 teeth. Pedicels slender, 5-13 mm at flowering, equal to or slightly longer than bracts, at fruiting 10-20 mm. Flowers pink, purple, or white, rarely blue. Sepals caducous, small. Outer petals broad, margin even or almost so, apex emarginate, usually with a mucro in sinus; spur slightly upcurved, 10-13 mm; nectary extended through 1/2-2/3 of spur, obtuse; inner petals (8-)9-10 mm, with angular dorsal crests not or very slightly overtopping apex. Capsule linear, 1-2 cm. Seeds in 1 row, ca. 1.5 mm in diam., with narrow caruncle. Fl. and fr. May-Jun.
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