Stem 50--80 cm tall, hispidulous, branched or simple. Leaf blade ca. 10 cm wide, base cordate; primary lobes separate for at least 60% of blade radius; central lobe cuneate-obtrapezoid, 3-lobulate, distally dentate, apex acute; ultimate lobules lanceolate; proximal leaves usually not withered. Raceme ca. 20 cm, ca. 8-flowered, shortly strigose; proximal bracts 3-parted, distal ones lanceolate. Pedicels 1--10 cm; bracteoles distal, lanceolate-oblong or lanceolate, 8--10 mm. Sepals blue-purple, abaxially densely shortly strigose; spur subulate-cylindric, 1.2--1.7 cm, base 3.5--4.5 mm in diam.; other sepals 1--1.5 cm. Petals obtuse, glabrous. Staminode limb broadly ovate, 2-lobed, yellowish barbate. Filaments pilose. Carpels 3; ovaries puberulent. Fl. Jul--Aug.
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