Description from Flora of China
Stem 55--70 cm tall, hispidulous, simple. Leaf blade ca. 11 cm wide, base deeply cordate; primary lobes separate for at least 60% of blade radius; central lobe rhombic, 3-lobulate, distally incised dentate, apex shortly acuminate; ultimate lobules triangular; proximal leaves withered. Raceme ca. 22 cm, ca. 10-flowered, retrorsely puberulent and yellowish glandular puberulent; proximal bracts leaflike, distal ones broadly lanceolate. Pedicels 7--8 cm; bracteoles distal, linear, rarely narrowly oblong, 7--8(--28) mm. Sepals blue-purple, abaxially pubescent; spur subulate, ca. 1.9 cm, spirally curved; other sepals ca. 1.1 cm. Petals 2-lobed, glabrous. Staminode limb suboblong, 2-lobed, yellowish barbate. Filaments glabrous. Carpels 3, glabrous. Fl. Jul.
* Alpine Quercus thickets; ca. 3600 m. W Sichuan (Gongga Shan, Luding Xian).