Stem 20--28 cm tall, appressed puberulent, simple or 1-or 2-branched. Leaf blade 4--7 cm wide, base cordate; primary lobes separate for at least 75% of blade radius; central lobe rhombic or narrowly so, 3-lobulate, distally few dentate, apex acute; ultimate lobules linear to narrowly lanceolate; proximal leaves withered. Raceme 3.5--8 cm, 3--6-flowered, densely appressed puberulent and yellow glandular puberulent; proximal bracts leaflike, distal ones linear. Pedicels 1.5--4.2 cm; bracteoles distal, linear, 0.8--1.4 cm. Sepals purple-blue, abaxially pubescent; spur cylindric, 1.5--1.8 cm, slightly recurved, base 3--3.5 mm in diam.; other sepals 1.5--1.7 cm. Petals 2-lobed, glabrous. Staminode limb obovate, 2-parted slightly beyond middle, yellow barbate. Filaments glabrous or margin with few hairs. Carpels 4--6; ovaries densely pubescent. Fl. Jul--Aug.
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