Herbs, perennial, 25-45 cm tall, glabrous. Rhizome short, with crowded thick pale bulbous (petiolar bases). Stems few, erect, very slender, simple, with 2 leaves in upper 1/2. Radical leaves early withering, few; petiole 5-9 cm, thin; blade 3-4 × 3-4 cm, thin, bi-(tri-)ternate, with long thin petiolules; leaflets obovate, 5-10 × 3-5 mm, obtuse. Cauline leaves shortly stalked or upper sessile, like radical leaves. Racemes very lax, 8-12 cm, 6-8-flowered; lowermost bract leaflike, middle and upper bracts much smaller, oblanceolate, 5-10 mm, entire. Pedicel ca. 10 mm, 12-20 mm in fruit. Sepals minute. Corolla white to pale blue or pale purple. Outer petals elliptic, acute to shortly mucronate, without crest; upper petal 17-19 mm; spur straight or slightly downcurved, very narrow, ca. 10 mm; nectary ca. 1/2 as long as spur, thin; inner petals ca. 8 mm. Stigma broad, emarginate, basal lobes absent. Capsule 10-14 × ca. 1 mm, 8-11-seeded; style ca. 2.5 mm. Seeds in 1 row. Fl. and fr. May.
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