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FOC | Family List | FOC Vol. 6 | Ranunculaceae | Aconitum

164. Aconitum leiostachyum W. T. Wang, Fl. Reipubl. Popularis Sin. 27: 609. 1979.

光序乌头 guang xu wu tou

Caudex carrot-shaped, ca. 4.5 cm, ca. 6 mm in diam. Stem 80--100 cm, glabrous, with leaves equally arranged along stem. Basal and most proximal cauline leaves withered at anthesis, other proximal cauline leaves long petiolate; petiole ca. 9 cm, sparsely spreading pubescent, shortly sheathed; leaf blade pentagonal, ca. 5 × 6 cm, both surfaces sparsely pubescent, base cordate, 3-parted nearly to base; central lobe rhombic or ovate-rhombic, apex acuminate, subpinnately parted, ultimate lobes narrowly ovate or linear-lanceolate, 2--2.8 mm wide; lateral lobes obliquely flabellate, unequally 2-parted. Inflorescence ca. 35 cm, ca. 40-flowered; rachis and pedicels glabrous; distal bracts linear, others leaflike. Pedicels 1.5--6.5 cm, proximally with 2 bracteoles, glabrous; proximal bracteoles 3-fid, rhombic or cuneate, 0.8--1.5 cm, distal ones unlobed, linear, 3.5--7 mm, Sepals purple, abaxially glabrous; lower sepals ca. 1 cm; lateral sepals ca. 1.2 × 1.2 cm; upper sepal galeate, 1.2--1.4 cm high, ca. 7 mm wide, shortly beaked, 1.2--1.5 mm from base to beak, lower margin slightly concave. Petals glabrous; claw geniculate at apex; limb ca. 7 × 2.2 mm; lip ca. 3.5 mm, entire; spur obliquely incurved, subglobose, ca. 1 mm. Stamens glabrous; filaments entire. Carpels 5, glabrous. Fl. Jul.

* Mountains; ca. 2700 m. NC Sichuan (Li Xian).


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