Stem ca. 70 cm tall, glabrous, simple. Leaf blade 7--8 cm wide, base cordate; primary lobes separate for at least 90% of blade radius; central lobe rhombic, 3-cleft, distally lobulate and dentate, apex acute; ultimate lobules narrowly triangular; proximal leaves usually not withered. Raceme ca. 36 cm, sparsely ca. 8-flowered, glabrous; proximal bracts lanceolate, distal ones linear or filiform. Pedicels 3.5--9 cm; bracteoles borne near middle of pedicel or distally, subulate, 4--5 mm. Sepals blue, abaxially sparsely puberulent; spur subulate, 1.8--2 cm, spirally curved, base ca. 3.5 mm in diam.; other sepals 0.9--1.2 cm. Petals emarginate, glabrous. Staminode limb obovate, 2-cleft, yellow barbate. Filaments glabrous. Carpels 3, glabrous. Fl. Jul.
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