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

62. Aconitum chayuense W. T. Wang, Acta Bot. Yunnan. 6: 363. 1984.

察隅乌头 cha yu wu tou

Caudex carrot-shaped, ca. 5.5 cm, ca. 9 mm in diam. Stem ca. 90 cm tall, shortly branched, basally sparsely spreading pubescent, apically glabrous. Proximal cauline leaves withered at anthesis, and middle ones long petiolate; petiole ca. 4.5 cm; leaf blade cordate-pentagonal, ca. 6.4 × 9.5 cm, abaxially glabrous, adaxially pilose at veins, base broadly cordate or subtruncate, 3-parted; central lobe rhombic, apex acute, 3-fid; lateral lobes unequally 2-fid nearly to middle. Inflorescence a panicle, terminal, ca. 20 cm, sparsely branched, branch 1- or 2-flowered; rachis glabrous; bracts leaflike. Pedicels 1.5--3.5 cm, proximally densely pubescent, apically sparsely so, with 2 bracteoles at middle or above; bracteoles leaflike, 0.6--1.2 cm. Sepals brown-purple, abaxially pubescent; lower sepals elliptic, ca. 9 mm; lateral sepals obliquely broadly obovate, ca. 1.1 × 1.4 cm; upper sepal galeate, ca. 1.5 cm high, beak ca. 2 mm, lower margin curved, ca. 1.3 cm. Petals ca. 1.8 cm; claw ca. 1.5 cm, pilose; lip ca. 6 mm, 2-lobed, pilose; spur subglobose, glabrous. Stamens glabrous; filaments entire or 2-denticulate. Carpels 5, spreading yellowish sericeous. Fl. Sep.

* Scrub, grasslands, by streams; ca. 3700 m. E Xizang (Zayü Xian).


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