昭觉乌头 zhao jue wu tou

Caudex ellipsoid-globose or oblong, ca. 3.5 cm, 1--2 cm in diam. Stem ca. 80 cm, densely retrorse pubescent. Middle cauline leaves shortly petiolate; petiole ca. 1 cm; leaf blade pentagonal, ca. 7 × 7.8 cm, papery, both surfaces sparsely appressed pubescent, base cordate, 3-sect; central segment rhombic, subpinnately parted; lateral segments obliquely flabellate, unequally 2-parted. Inflorescence a panicle, terminal, ca. 25 cm, proximally ca. 4-branched, many flowered; rachis and pedicels densely retrorse and spreading pubescent; proximal bracts leaflike, distal ones linear. Pedicels 0.3--2.5 cm, with 2 bracteoles at or above base; bracteoles linear, 3--4.5 mm, densely pubescent. Sepals purple, abaxially pubescent; lower sepals obliquely oblong, 1.1--1.3 cm; lateral sepals obliquely broadly obovate, ca. 1.5 cm, adaxially sparsely villous; upper sepal galeate, ca. 1.9 cm high, shortly clawed, ca. 1.6 cm from base to beak, lower margin slightly concave. Petals ca. 1.7 cm; claw ca. 1.3 cm, rarely pubescent; lip ca. 4.5 mm, 2-lobed at apex; spur subglobose, ca. 1.1 mm in diam. Stamens glabrous; filaments entire or 2-denticulate. Carpels 3, glabrous.

* About 2200 m. Sichuan (Zhaojue Xian).