Stem ca. 35 cm tall, sparsely retrorsely pubescent, simple. Leaf blade 6--8 cm wide, base cordate; primary lobes separate for at least 90% of blade radius; central lobe broadly rhombic-obovate, 3-parted nearly to midvein, distally entire or 3--5-lob-ulate, apex acute; ultimate lobules lanceolate-linear; proximal leaves usually withered. Corymb 3.5--6.5 cm, 2-or 3-flowered; proximal bracts 3-sect, distal ones linear. Pedicels 3.1--6 cm, spreading puberulent; bracteoles borne near middle of pedicel, linear, 4.5--7 mm. Sepals purple-blue, abaxially sparsely puberulent; spur subulate, 1.8--2.5 cm, base ca. 2 mm in diam.; other sepals 1.5--2.4 cm. Petals emarginate or entire, glabrous. Staminode limb orbicular-obovate, emarginate, yellow barbate. Filaments glabrous or pilose. Carpels 3; ovaries sparsely pubescent distally. Fl. Sep--Oct.
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