Aconitum sinomontanum Nakai

Yang (Acta Phytotax. Sin. 37: 86. 1999) treated Aconitum jinchengense L. C. Wang & J. Silba (Phytologia 71: 307. 1991) as a synonym of A. sinomontanum . One of us (Kadota) agrees with that treatment.

Rhizome terete, ca. 20 cm, to 2 cm in diam. Stem (60--) 95--150 cm tall, simple or branched, below inflorescence retrorse pubescent, basally nearly glabrous. Basal leaf 1, and proximal cauline leaves long petiolate; petiole 30--50 cm, nearly glabrous; leaf blade reniform or orbicular-reniform, 12--14.5 × 20--28 cm, both surfaces sparsely pubescent or glabrescent, base cordate, 3-parted; central lobe narrowly cuneate-rhombic, 3-fid with irregular triangular teeth at margin, apex acuminate; lateral lobes obliquely flabellate, unequally 3-fid slightly beyond middle. Inflorescence (20--)30--50 cm, many flowered; rachis and pedicels ± appressed pubescent; proximal bracts leaflike, others linear, 0.7--1.8 cm. Pedicels 0.7--5(--5.5) cm, with 2 bracteoles usually at middle; bracteoles narrowly linear, 3--9 mm. Sepals blue-purple or pale blue, abaxially densely retrorse pubescent; lower sepals 1.1--1.2 cm; lateral sepals 1--1.2 cm; upper sepal cylindric, 1.6--2(--3) cm high, 4--7(--9) mm in diam., lower margin 1.1--1.5 cm. Petals to 2 cm, glabrous; limb liguliform, ca. 3.5 mm; lip linear, conspicuous; spur circinate, ca. 6.5 mm. Stamens glabrous; filaments usually 1- or 2-denticulate, rarely entire. Carpels 3; ovary glabrous. Follicles 1.1--1.7 cm. Seeds obovate, ca. 3 mm. Fl. Jun--Sep. 2n = 16*, 32*.

S Gansu, NE Guangxi, Guizhou, Hebei, W Hubei, C and E Hunan, N and W Jiangxi, E Qinghai, Shaanxi, Shanxi, Sichuan, ?Yunnan.

* Grassy slopes, forests, wet places in valleys; 1000--3700 m.

Aconitum sinomontanum là một loài thực vật có hoa trong họ Mao lương. Loài này được Nakai mô tả khoa học đầu tiên năm 1933 publ. 1935.

高乌头（学名：Aconitum sinomontanum）为毛茛科乌头属下的一个种。