Stem ca. 30 cm. Leaf blade 2--6 cm wide, base cordate; primary lobes separate for at least 90% of blade radius; central lobe rhombic-obovate, 3-parted, distally undivided or 1-or 2-lobulate, apex acute; ultimate lobules narrowly lanceolate or linear; proximal leaves not withered. Raceme 6--11 cm, puberulent, 1(or 2)-flowered; bracts 3-sect or undivided and lanceolate. Pedicels 3--6 cm, densely puberulent; bracteoles distal, lanceolate, ca. 1.1 cm. Sepals purple, abaxially sparsely puberulent; spur subulate, 2.2--2.4 cm, base 3--4 mm in diam.; other sepals 1.6--1.8 cm. Petals emarginate, ciliate. Staminode limb ovate, 2-lobed, sparsely white barbate. Filaments glabrous. Carpels 3; ovaries sparsely puberulent. Fl. Aug.