Stem 18--70 cm tall, glabrous or retrorsely puberulent and hispid proximally, glabrous distally, simple or 1-branched. Leaf blade 4--9 cm wide, base cordate; primary lobes separate for at least 90% of blade radius; central lobe rhombic, 2 or 3 × dissected, distally 1-or 2-lobulate, apex acute; ultimate lobules lanceolate to lanceolate-linear; proximal leaves usually not withered. Raceme 5--12 cm, 3--10-flowered, sparsely puberulent throughout or only apically, or glabrous; bracts linear or subulate. Pedicels 1.2--2.5 cm; bracteoles borne near middle of pedicel or distally, lanceolate-linear or subulate, 3--4 mm. Sepals blue, abaxially sparsely puberulent; spur subulate, 1.8--2 cm, slightly recurved or nearly straight, base 1.5--2 mm in diam.; other sepals 1.1--1.2 cm. Petals emarginate, glabrous. Staminode limb obovate-oblong, emarginate, yellow barbate. Filaments glabrous. Carpels 3; ovaries sparsely pubescent. Fl. Sep--Oct.
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