Stem 60--70 cm tall, glabrous or subglabrous, 1-branched distally. Leaf blade 9--13 cm wide, base cordate; primary lobes separate for at least 60% of blade radius; central lobe rhombic, 3-lobulate, distally 1-or 2-dentate, apex acute; ultimate lobules triangular or lanceolate; proximal leaves withered. Raceme 11--15 cm, 5-or 6-flowered, yellow glandular puberulent; bracts narrowly linear. Pedicels 1.8--4.5 cm; bracteoles distal, lanceolate-linear or subulate, 5--6 mm. Sepals deep purple, abaxially yellow pilose; spur subulate, 2.2--2.5 cm, recurved, base ca. 2.5 mm in diam.; other sepals 1--1.6 cm. Petals 2-lobulate, sparsely ciliate. Staminode limb suboblong, 2-parted, yellow barbate. Filaments pilose distally; anthers abaxially puberulent. Carpels 3; ovaries densely pubescent. Fl. Feb.
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