Stem 30--40 cm tall, hispid proximally, glabrous distally, simple. Leaf blade 4--6 cm wide, base deeply cordate; primary lobes separate for less than 60% of blade radius; central lobe broadly rhombic, 3-lobulate, distally incised dentate, apex acute; ultimate lobules triangular; proximal leaves withered. Corymb ca. 6.5 cm, ca. 4-flowered, glabrous; bracts leaflike. Pedicels 3.5--5.5 cm; bracteoles borne near middle of pedicel, linear, ca. 5 mm. Sepals blue-purple, abaxially sparsely puberulent; spur cylindric-subulate, 1.8--2.2 cm, spirally curved, base 4--5 mm in diam.; other sepals 1.2--1.4 cm. Petals undivided, glabrous. Staminode limb obovate, 2-cleft, yellow barbate. Filaments glabrous. Carpels 3, glabrous. Fl. Sep.
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