Caudex conical or carrot-shaped, 2.5--5 cm, 7--12 mm in diam. Stem (65--)80--150 cm, usually branched, glabrous, with leaves equally arranged along stem. Proximal cauline leaves withered at anthesis, middle ones shortly to long petiolate; petiole 3--11 cm, glabrous; leaf blade pentagonal, 9--16 × 10--20 cm, papery or subleathery, abaxially glabrous, adaxially sparsely retrorse pubescent, base cordate, 3-sect; central segment rhombic, apex acuminate, subpinnately divided or lobed; lateral segments obliquely flabellate, unequally 2-parted. Inflorescence terminal, 9--22-flowered; rachis and pedicels glabrous; proximal bracts 3-fid, others oblong or linear. Proximal pedicels 1.8--3.5(--5) cm, with 2 bracteoles at middle or below; bracteoles linear or subulate-linear, 3.5--5 × ca. 1 mm. Sepals purple-blue, abaxially sparsely retrorse pubescent or nearly glabrous; lower sepals oblong, 1.2--1.4 cm; lateral sepals 1.4--1.6(--1.7) cm; upper sepal galeate or high galeate, 1.5--2.5 cm high, shortly or long beaked, lower margin ca. 1.8 cm. Petals glabrous; limb 3--4 mm wide; lip 3--5 mm; spur incurved or subcircinate, 1--4 mm. Stamens glabrous; filaments entire or 2-denticulate. Carpels (4 or)5, glabrous. Follicles erect, (0.8--)1.2--2 cm. Seeds ca. 2.5 mm. Fl. Jul--Sep. 2n = 32*.
Grassy slopes, grasslands, forests, forest margins, by streams at elevations of 2,200-2,400 metres. Meadows, shrub thickets, mountain slopes, and forest margins in eastern Siberia.
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