Caudex carrot-shaped, ca. 7.5 cm, ca. 1.3 cm in diam. Stem ca. 1 m, branched, apically retrorse pubescent. Cauline leaves long or shortly petiolate; petiole 1--9 cm, glabrous or subglabrous; leaf blade pentagonal, 5--8 × 5--9 cm, leathery, both surfaces glabrous, abaxially veins convex, adaxially veins concave, base cordate, 3-sect; central segment rhombic, apex acuminate, pinnately parted, ultimate lobes linear or lanceolate; lateral segments obliquely flabellate, unequally 2-parted. Inflorescence ca. 40 cm, many flowered; rachis and pedicels retrorse pubescent; proximal bracts leaflike, distal ones broadly linear or linear. Pedicels 1--3 cm, with 2 bracteoles at middle or below, or at base; bracteoles linear, 1--3 mm. Sepal blue, abaxially subglabrous; lower sepals suboblong, ca. 8 mm; lateral sepals obliquely broadly obovate, ca. 1.4 × 1 cm; upper sepal galeate, ca. 1.2 cm high, ca. 1.7 cm from base to beak, beak upward curved, ca. 2.5 cm. Petals ca. 2.5 cm, glabrous; claw ca. 1.9 cm; limb ca. 7 mm; lip ca. 3 mm, 2-lobed at apex; spur curved, ca. 4 mm. Stamens pilose; filaments 2-denticulate or entire. Carpels 3 or 4, pilose. Follicles ca. 1.1 cm. Fl. Sep--Oct.
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