高峰乌头 gao feng wu tou

Caudex narrowly obovate-globose, ca. 1.5 cm, ca. 7 mm in diam. Stem 10--30 cm, simple, sparsely retrorse pubescent. Basal leaves long petiolate; petiole to 55 cm, sparsely retrorse pubescent; leaf blade reniform, ca. 1.7 × 3 cm, papery, both surfaces glabrous, 3-parted to ca. 2.5 mm from base; central lobe cuneate, 3-sect; lateral lobes obliquely flabellate, unequally 2-parted. Cauline leaves ca. 3, those below middle similar to basal ones; distal leaves subsessile, small, 3-sect; lobules linear. Inflorescence 1--3-flowered; bracts leaflike. Pedicels 1.5--4(--5.5) cm, retrorse white pubescent and spreading yellow pubescent, distally with 2 bracteoles; bracteoles subulate, 2.5--3 mm. Sepals blue-purple, abaxially sparsely pubescent; lateral sepals 1.7--1.9 cm; upper sepal navicular-galeate or navicular, 2--2.5 × ca. 1 cm from base to beak; lower sepals ca. 1.7 cm. Petals sparsely pubescent; lip ca. 4 mm; spur very short, indistinct. Stamens densely pubescent distally; filaments entire. Carpels 5, densely yellow villous. Fl. Aug--Sep.

* Mountain slopes; ca. 4700 m. S Xizang (Nyalam Xian).