Stem ca. 90 cm tall, appressed puberulent proximally, glabrous distally, ca. 2-branched. Leaf blade ca. 7 cm wide, base cordate; primary lobes separate for at least 60% of blade radius; central lobe rhombic or broadly so, 3-cleft, distally sparsely lobulate-dentate, apex acute; ultimate lobules narrowly ovate; proximal leaves usually withered. Raceme 18--22 cm, densely many flowered, densely appressed puberulent; proximal bracts 3-parted, distal ones undivided, linear. Pedicels 5--10 mm; bracteoles distal, narrowly linear, 5--7 mm. Sepals blue-purple, abaxially densely appressed puberulent; spur subulate, 1.3--1.5 cm, nearly straight, base 2.8--3 mm in diam.; other sepals 1.2--1.3 cm. Petals 2-lobed, glabrous. Staminode limb ovate, 2-lobed, yellow barbate, ciliate. Filaments glabrous. Carpels 3; ovaries densely puberulent. Fl. Jul.
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