Herbs, biennial, tuberous, 10-30 cm tall, glaucous. Tuber 1-1.5 × 0.5-1.5 cm with thin roots in 2-4 fascicles. Stems few, leafy and branched throughout. Petioles long, base with membranous vaginae or auricles; blade pale abaxially, green adaxially, biternate; leaflets shortly petiolulate, entire to ternatisect, deeply and sharply dentate. Raceme very dense, 3-18-flowered, at fruiting very much elongated; lower bract leaflike, 10-25 mm, ternate with sharply dentate leaflets, upper 5-15 mm, simple, laciniate-dentate. Pedicel 3-6 mm, at fruiting much elongating to 10-30(-40) mm (also bracts enlarging). Sepals minute. Flowers pale pink. Outer petals narrow, retuse to slightly emarginate, with small dentate dorsal crest not reaching apex; upper petal 11-13 mm, spur cylindric, ca. 5 mm, slender; nectary ca. 1/3 as long as spur; lower petal near base with small pouch. Stigma slightly emarginate, with 6 marginal simple papillae; geminate papillae lateral (submarginal) and on basal lobes. Capsule obovoid, 9-13 × 3-5 mm, 6-12-seeded; style ca. 1 mm. Seeds very finely reticulate (visible with strong lens), ca. 1.8 mm; caruncle small. Fl. and fr. May.
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