卡拉乌头 ka la wu tou

Rhizome unknown. Stem ca. 80 cm tall, simple, sparsely retrorse strigose, ca. 5-leaved. Proximal and middle cauline leaves long petiolate or nearly so; petiole 3--8.5 cm; leaf blade pentagonal, 4.5--5.6 × 7.8--8.6 cm, both surfaces strigose, base deeply cordate, 3-parted; central lobe rhombic, apex acute, 3-lobed; ultimate lobes 1- or 2-dentate; lateral lobes obliquely flabellate, unequally 2-parted. Inflorescence: axillary ones ca. 3, 9--13 cm; terminal one ca. 24 cm, ca. 27-flowered; rachis and pedicels spreading white villous, and yellowish glandular pubescent, or densely retrorse and appressed white pubescent; proximal bracts leaflike; others lanceolate-linear, 5--6 mm, pubescent. Pedicels usually 2--7 mm, proximal ones to 1.2 cm, with 2 bracteoles at base; bracteoles linear, 4--6 mm, spreading pubescent. Sepals abaxially spreading pubescent; lower sepals narrowly obovate or oblanceolate-linear, ca. 6.5 mm; lateral sepals oblong-obovate, ca. 6 mm; upper sepal slightly cylindric, ca. 11 cm high, middle ca. 3 mm in diam., ca. 8 mm from base to beak. Petals glabrous; claw ca. 1 cm; lip linear, ca. 3.6 mm, slightly concave at apex; spur circinate, ca. 4 mm. Stamens glabrous. Carpels 3; ovary sparsely pilose. Fl. Aug.

* Sichuan (Kangding Xian).