Stem 20--25 cm tall, sparsely puberulent, branched. Leaf blade 4--6 cm wide, base cordate; primary lobes separate for at least 75% of blade radius; central lobe rhombic, subpinnately parted, distally dissected, apex acute; ultimate lobules linear-lanceolate; proximal leaves withered. Corymb 7.5--12 cm, (1 or)2--6-flowered, densely retrorsely puberulent; bracts leaflike. Pedicels 1.4--5.5 cm; bracteoles distal, linear or narrowly oblong, 4--12(--18) mm. Sepals persistent, blue-purple, abaxially sparsely puberulent; spur subulate, 1.8--2.2 cm, base ca. 3 mm in diam.; other sepals 2--2.4 cm. Petals emarginate, glabrous. Staminode limb broadly elliptic, 2-lobed, yellowish barbate. Filaments glabrous or pilose. Carpels 3; ovaries densely puberulent. Fl. Aug--Sep.
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