Herbs, perennial, glabrous. Rootstock cylindric, elongate, 1-1.5 cm, with fibrous remains of leaf-and stem-bases at apex. Stems 1 to several, 10-26 cm, simple, with 2-4 leaves, naked at lower 1/4-1/3. Radical leaves few; petiole 4-9 mm; blade oblong, 5-11 × 2-4 cm, simply pinnate; lateral pinnae 2-4 pairs, sessile or shortly petiolulate, cordate-orbicular, 10-24 × 11-22 mm, coarsely dentate to shallowly cut; ultimate lobes or teeth rounded, mucronate. Cauline leaves like radical, shortly stalked; upper ones progressively smaller and less divided, subsessile. Racemes dense, 5-15-flowered, elongating in fruit; bracts obovate, 4-10 × 2-4 mm, cuneate at base, subentire, or lowermost much larger and ± divided. Pedicel 5-13 mm. Flowers 20-25 mm, yellowish white with a large brownish purple blotch across limb and crest of apex of lower petal. Sepals green-purple, with rounded body 2-3 × 2-3 mm and long narrow tip to 3 mm. Outer petals subacute with short broad dentate crests; spur ± decurved, cylindric, ca. 10 × 3 mm, obtuse; inner petals 12-14 mm, claw equaling or slightly longer than limb; lower petal with short narrow basal 1/4, shallowly saccate at middle. Stigma rounded, with 8 papillae.
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