Stem ca. 1 m tall, densely puberulent proximally, glabrous distally, branched. Leaf blade ca. 14 cm wide, base cordate; primary lobes separate for at least 90% of blade radius; central lobe rhombic, 3-parted, distally incised lobulate, apex acuminate; ultimate lobules narrowly triangular; proximal leaves usually not withered. Compound raceme narrowly pyramidal, ca. 27 cm, many flowered; rachis glabrous; bracts leaflike. Pedicels 4--8 cm, densely appressed puberulent; bracteoles borne near middle of pedicel, linear, 2--2.5 mm. Sepals blue, abaxially sparsely puberulent; spur conic-subulate, 8--9 mm, base ca. 3 mm in diam.; other sepals 7--8 mm. Petals undivided, glabrous; staminode limb ovate, 2-cleft, yellow barbate. Filaments glabrous. Carpels 3; ovaries sparsely puberulent. Fl. Sep--Oct.
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