Stem 48--70 cm tall, densely retrorsely puberulent, simple or 1-branched. Leaf blade 3--7 cm wide, base broadly cuneate; primary lobes separate for at least 90% of blade radius; central lobe broadly rhombic-obovate, 2 or 3 × dissected, distally entire, apex acute; ultimate lobules narrowly linear; proximal leaves withered. Raceme elongate, to 35 cm, densely many flowered; rachis densely appressed puberulent; bracts lanceolate or linear-lanceolate. Pedicels 0.9--1.1 cm, appressed puberulent and yellow glandular puberulent; bracteoles borne proximally or near middle of pedicel, lanceolate, ca. 3 mm. Sepals yellow, abaxially densely puberulent; spur cylindric-subulate, 1.1--1.3 cm, base ca. 2.8 mm in diam.; other sepals 6--8 mm. Petals 2-lobed, glabrous. Staminode limb ovate, 2-cleft, yellow barbate. Filaments glabrous. Ovaries appressed puberulent. Fl. Jul--Aug.
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