Stem 30--46 cm tall, sparsely pubescent or glabrescent, simple. Leaf blade 6--7 cm wide, base cordate; primary lobes separate for less than 60% of blade radius; central lobe rhombic-ovate, 3-lobulate, distally dentate, apex acute; ultimate lobules ovate; proximal leaves usually not withered. Raceme 5--14 cm, densely 10--40-flowered, pubescent; bracts lanceolate. Pedicels 2--2.5 cm; bracteoles distal, linear-oblong, 1.4--1.5 cm. Sepals persistent, bluish gray, abaxially pubescent; spur conic, 8--10 mm, base 4--5 mm in diam.; other sepals 2--2.4 cm. Petals 2-lobed, ciliate distally. Staminode limb ovate, 2-cleft, long barbate. Filaments glabrous. Carpels 3; ovaries pubescent. Fl. Jul--Aug.
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