新疆乌头 xin jiang wu tou

Caudex unknown. Stem 25--30 cm, simple, sparsely pubescent. Basal leaves ca. 10, long petiolate; petiole 5--10 cm, glabrous; leaf blade semilunate or orbicular-pentagonal, 3--5.5 × 3.6--7 cm, 3-sect or -parted nearly to base; central segment obliquely flabellate, unequally 2-parted, both surfaces glabrous. Cauline leaf petiole 1--2.8 cm; leaves smaller above, ultimate lobes 1--2 mm wide. Inflorescence to 10 cm, 3--12-flowered; rachis and pedicels sparsely spreading pubescent; basal bracts leaflike, others linear. Proximal pedicels to 6 mm, distal ones 1--3 mm, with 2 bracteoles at middle; bracteoles subulate, 2.5--4 mm. Sepals purple-blue, adaxially subglabrous; lateral sepals 1.2--1.5 cm; upper sepal falcate-navicular, 1.6--2 cm from base to beak, lower margin arciform-curved. Petals glabrous, ca. 2 cm; limb linear, 5.6--6.5 × ca. 1.4 mm; spur subglobose, 0.6--0.9 mm. Stamens glabrous. Carpels 5, glabrous. Fr. Aug.

* Mountain slopes; ca. 2600 m. Xinjiang.