Stem ca. 70 cm tall, puberulent, branched. Leaf blade 4--10 cm wide, base cordate; primary lobes separate for at least 60% of blade radius; central lobe rhombic or broadly so, 3-parted, distally incised lobulate, apex acute; ultimate lobules lanceolate-linear; proximal leaves not withered. Raceme 9--37 cm, 5--12-flowered, puberulent and yellow glandular puberulent; proximal bracts leaflike, distal ones lanceolate. Pedicels 1.2--6.2 cm; bracteoles distal, lanceolate, 4--6 mm. Sepals purple-blue, abaxially puberulent and yellow glandular puberulent; spur cylindric-subulate, 1.6--1.8 cm, base 3--3.5 mm in diam.; other sepals 1.1--1.2 cm. Petals 2-lobulate, glabrous. Staminode limb obtrapezoid, 2-cleft, sparsely white barbate. Filaments glabrous. Carpels 3; ovaries densely puberulent. Fl. Aug.
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