Caudex carrot-shaped, ca. 5.5 cm, ca. 7 mm in diam. Stem 35--40 cm tall, simple or slenderly 2-branched at base, sparsely spreading pubescent. Middle cauline leaves long petiolate; petiole ca. 5.5 cm, base narrowly sheathed, sparsely spreading pubescent; leaf blade cordate-pentagonal, ca. 5 × 5 cm, abaxially glabrous, adaxially sparsely appressed pubescent, 3-sect; central segment rhombic, subpinnately parted, ultimate lobes linear; lateral segments unequally 2-parted nearly to base. Inflorescence terminal, ca. 22 cm, ca. 17-flowered; rachis and pedicels sparsely pubescent; bracts leaflike. Distal pedicels 0.7--1.5 cm, distally with 2 bracteoles; proximal bracteoles leaflike, 2.5--3 cm, distal ones linear, to 1 cm. Sepals blue-purple; lower sepals oblong, ca. 1.2 cm; lateral sepals obliquely broadly obovate, ca. 2 cm, abaxially sparsely appressed pubescent; upper sepal navicular, abaxially glabrous, shortly beaked, ca. 2 cm from base to beak. Petaline claw densely pubescent, apex geniculate; limb ca. 9 mm; lip ca. 4 mm, slightly concave at apex, margin sparsely pubescent; spur oblique backward, ca. 1.8 mm, subglobose. Stamens glabrous; filaments entire. Carpels 3, glabrous. Fl. Jul.