Aconitum flavum Hand.-Mazz.

Caudex carrot-shaped, ca. 4.5 cm, ca. 8 mm in diam. Stem 35--100 cm, usually simple, basally glabrous, apically retrorse and appressed pubescent, with crowded leaves. Proximal cauline leaves withered at anthesis; middle ones shortly petiolate; petiole 3--4 mm; leaf blade broadly ovate, 3.8--5.5 × 3.6--4.5 cm, both surfaces glabrous, or margin pubescent, base shallowly cordate, 3-sect; segments dissected, ultimate lobes linear. Inflorescence 8--18 cm, 12--25-flowered; rachis and pedicels densely appressed pubescent; proximal bracts similar to leaves, those above middle linear. Petals 4--8 mm, with 2 bracteoles at apex; bracteoles linear, 3--6 mm. Sepals yellow and greenish or dark purple, abaxially pubescent; lower sepals obliquely oblong-ovate, ca. 1--1.4 cm; lateral sepals ca. 1.5 cm; upper sepal galeate-navicular, 1.5--1.6 cm high, shortly clawed, lower margin oblique upward. Petals sparsely pubescent; limb ca. 7 mm; lip ca. 3 mm; spur backward curved, ca. 1 mm. Stamens glabrous or sparsely pubescent; filaments entire. Carpels 5, glabrous or sparsely pubescent. Follicles glabrous, 1.1--1.7 cm. Seeds ca. 2.5 mm. Fl. Aug. 2n = 16*.

Gansu, Nei Mongol, S Ningxia, Qinghai, NW Sichuan, N Xizang.

* Grassy slopes, forests; 2000--3700 m.

Aconitum anthora Linnaeus var. gilvum Maximowicz; A. gilvum ( Maximowicz) Handel-Mazzetti.

Aconitum flavum ( 伏毛鐵棒鎚 , Chinese interpretation : Fluff iron hammer ) is a species of flowering plant in the genus Aconitum of the family Ranunculaceae, native and endemic to northwestern Sichuan, northern Tibet, Qinghai, Gansu, southern Ningxia and southern Inner Mongolia.

It grows at a grassy slope or sparse forest at an altitude of 2000–3700 meters.