Stem 36--50 cm tall, puberulent, simple. Leaf blade 5--6 cm wide, base cordate; primary lobes separate for at least 60% of blade radius; central lobe rhombic-obovate, inconspicuously 3-lobulate, distally few denticulate, apex acute; ultimate lobules ovate-lanceolate; proximal leaves not withered. Raceme elongated, 9--35 cm, 4--10-flowered, densely retrorsely appressed or spreading puberulent; bracts leaflike or linear-lanceolate. Pedicels 1--4.5 cm; bracteoles distal, lanceolate, 3.5--8.5 mm. Sepals persistent, blue-purple, abaxially puberulent; spur subulate, ca. 1.8 cm, base ca. 2.2 mm in diam.; other sepals 8--10 mm. Petals acuminate, glabrous. Staminode limb oblong, 2-cleft, white barbate. Filaments pilose. Carpels 3; ovaries densely puberulent. Fl. Jul--Sep.
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