Stem 45--90 cm tall, appressed puberulent, branched. Leaf blade 2--7 cm wide, base broadly cordate; primary lobes separate for at least 90% of blade radius; central lobe rhombic, 3-parted, distally undivided or 2-or 3-parted, apex acute; ultimate lobules lanceolate or linear; proximal leaves usually withered. Raceme 5--20 cm, 3--5-flowered, densely appressed puberulent; proximal bracts leaflike, distal ones narrowly oblong or oblong-linear. Pedicels 5.5--10 cm; bracteoles borne near middle of pedicel, narrowly oblong, 1.1--1.8 cm. Sepals blue, abaxially puberulent; spur subulate, 1.6--1.9 cm, base ca. 3.5 mm in diam.; other sepals 1.4--1.5 cm. Petals undivided, glabrous. Staminode limb narrowly obovate, emarginate, yellow barbate. Filaments glabrous or pilose. Carpels 3; ovaries densely puberulent. Fl. Aug.
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