Stem 30--110 cm tall, shortly strigose, hispidulous, or hispid, branched or simple. Leaf blade 4--20 cm wide, base cordate; primary lobes separate for at least 75% of blade radius; central lobe rhombic or narrowly so, 3-lobulate, distally incised dentate, apex acute; ultimate lobules ovate or narrowly so; proximal leaves withered or not. Raceme sometimes compound, 10--30 cm, 6--15-flowered, strigose and yellow glandular puberulent; proximal bracts leaflike, distal ones small, linear. Pedicels 2--8 cm; bracteoles distal, green, linear or linear-subulate, 0.8--1.9 cm × 0.5--1.8 mm. Sepals blue-purple, abaxially puberulent; spur subulate, 2--2.9 cm, recurved, straight, or upcurved, base 2--3 mm in diam.; other sepals 0.8--1.6 cm. Petals undivided, glabrous. Staminode limb ovate, 3--6 mm, 2-lobed, white barbate. Filaments glabrous. Carpels 3; ovaries puberulent. Fl. Aug--Oct.
Home