Stem ca. 1.5 m, glabrous, branched distally. Leaf blade 0.5--7 cm wide, base cordate; primary lobes separate for at least 75% of blade radius; central lobe lanceolate-linear, entire, distally undivided or 1- or 2-lobulate, apex acute; ultimate lobules narrowly lanceolate or lanceolate-linear; proximal leaves withered. Raceme elongate, 25--45 cm, densely 18--30-flowered, glabrous; bracts narrowly lanceolate-linear or subulate. Pedicels 0.25--3 cm; bracteoles distal, narrowly lanceolate-linear, 5--9 mm. Sepals purple, abaxially densely appressed puberulent; spur subulate, 1.3--1.5 cm, straight, base 1.8--2.2 mm in diam.; other sepals 1--1.2 cm. Petals distally 2-lobed, ciliate. Staminode limb suboblong, ca. 6 mm, 2-cleft, yellow barbate. Filaments mostly pilose. Carpels 3; ovaries sparsely puberulent near apex. Fl. Sep.

* Roadside banks. W Yunnan (Longling Xian to Tengchong Xian).