Stem ca. 25 cm tall, glabrous, simple or branched. Leaf blade 4--7 cm wide, base cordate; primary lobes separate for at least 60% of blade radius; central lobe rhombic or cuneate, 3-lobulate, distally incised lobulate or 1-or 2-dentate, apex acute; ultimate lobules narrowly ovate; proximal leaves not withered. Raceme ca. 15 cm, ca. 4-flowered, retrorsely puberulent and yellow glandular puberulent; proximal bracts leaflike, distal ones undivided, lanceolate or narrowly so. Pedicels 2.5--6 cm; bracteoles distal, linear-lanceolate or linear, 0.8--1.2 cm. Sepals blue-purple, abaxially appressed puberulent; spur subulate, 2--2.2 cm, recurved U-shaped, base ca. 3 mm in diam.; other sepals 1.5--1.8 cm. Petals undivided, glabrous. Staminode limb broadly elliptic or ovate, emarginate, yellow barbate. Filaments glabrous. Carpels 3; ovaries pubescent. Fl. Sep.
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