浅裂乌头 qian lie wu tou

Caudex carrot-shaped, ca. 7 cm, ca. 9 mm in diam. Stem ca. 1 m tall, apically retrorse and appressed pubescent. Distal leaves long petiolate; petiole ca. 4.5 cm; leaf blade cordate-pentagonal, ca. 5.4 × 7.5 cm, papery, abaxially curved pubescent at veins, adaxially appressed pubescent, 3-parted; central lobe rhombic, 3-lobed to middle or subpinnately lobed; lobes broadly ovate, apex acute; lateral lobes unequally 2-parted. Inflorescence with branches ca. 2-flowered; rachis and pedicels retrorse and appressed pubescent; bracts leaflike. Pedicels ca. 2.2 cm, with 2 bracteoles at middle; bracteoles linear, ca. 4 mm. Sepals blue or blue-purple, abaxially glabrous; lower sepals oblong or obliquely elliptic, ca. 1.2 cm; lateral sepals obliquely broadly obovate, ca. 1.7 × 1.5 cm, abaxially sparsely appressed pubescent at veins, adaxially sparsely villous; upper sepal galeate or navicular-galeate, ca. 1.2 cm high, beaked, lower margin concave, ca. 1.8 cm. Petals ca. 1.8 cm; claw pilose; limb ca. 9 × 4 mm; lip ca. 4 mm, pilose; spur subglobose, ca. 1.5 mm, glabrous. Stamens glabrous; filaments entire or 2-denticulate. Carpels 3, glabrous. Fl. Aug--Sep.

* Alpine grasslands, W Sichuan (Muli Zang Zu Zizhixian).