伊犁乌头 yi li wu tou

Caudex ca. 10 m, chainlike, narrowly conical, to 7 cm, apex ca. 7 mm in diam. Stem ca. 32 cm, apically shortly branched, basally glabrous, apically ± spreading pubescent. Proximal cauline leaves withered at anthesis, middle leaves long petiolate; petiole 1.5--7 cm, distally pubescent; leaf blade pentagonal, 1.8--3.6 × 3.5--3.8 cm, papery, both surfaces pubescent, 3-sect; central segment rhombic, subpinnately parted; ultimate lobes lanceolate, linear-lanceolate, or narrowly ovate; lateral segments unequally 2-parted nearly to base. Inflorescence ca. 8 cm, ca. 7-flowered; rachis and pedicels spreading pubescent; proximal bracts leaflike, others linear. Pedicels 1--2 cm, with 2 bracteoles bordering flower; bracteoles linear, small. Sepals blue; lower sepals ca. 1.1 cm; lateral sepals obliquely broadly obovate, ca. 1.7 cm; upper sepal navicular, ca. 1.8 cm from base to beak. Petals sparsely pubescent; limb ca. 7 mm; spur decurved, ca. 1.8 mm. Stamens pubescent, ca. 6.5 mm; filaments entire or 2-denticulate. Carpels 3, densely pubescent.

* Xinjiang.