Stem 40--60 cm tall, retrorsely appressed puberulent throughout or only proximally, branched. Leaf blade 7--10 cm wide, base deeply cordate; primary lobes separate for at least 90% of blade radius; central lobe rhombic, subpinnately dissected, distally lobulate, apex acute; ultimate lobules linear; proximal leaves withered. Raceme 14--17 cm, 7-or 8-flowered, yellow glandular puberulent, sometimes also white puberulent; most proximal bract 3-sect, others undivided, linear. Pedicels 2.8--4.5 cm; bracteoles distal, linear, 6--8 mm. Sepals purple-blue, abaxially puberulent, very shortly corniculate distally; upper sepal oblong or elliptic-obovate, 0.7--1.1 cm wide, spur subulate, 2--2.4 cm, slightly recurved or nearly straight, base 2--3 mm in diam.; other sepals 1.8--2.1 cm. Petals emarginate, glabrous. Staminode limb oblong or oblong-obovate, 2-lobulate, yellow barbate. Filaments pilose at margin. Carpels 5; ovaries densely pubescent. Fl. Jul--Sep.
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