Aconitum flavum Handel-Mazzetti var. galeatum W. T. Wang.

Caudex obconical, 3--5 cm, 0.5--1 cm in diam. Stem 50--100 cm, sparsely retrorse pubescent. Proximal cauline leaves long petiolate, withered at anthesis, distal ones shortly petiolate; petiole 3--4 mm; leaf blade suborbicular, 2--4 × 2--4 cm, abaxially glabrous, adaxially sparsely retrorse pubescent, 3-sect; segments dissected, ultimate lobes linear, 1--3 mm wide. Inflorescence terminal, sometimes branched proximally, many flowered; rachis and pedicels densely appressed and retrorse pubescent; proximal bracts leaflike, those above middle linear. Pedicels 5--10 cm, distally with 2 bracteoles; bracteoles linear-lanceolate, 3--5 mm. Sepals blue-purple, abaxially retrorse pubescent; lower sepals oblong-lanceolate, 8--10 mm; lateral sepals broadly obovate, ca. 1.8 cm; upper sepal galeate, 1.7--2 cm high. Petals glabrous; limb ca. 4 mm; lip ca. 5 mm; spur incurved, ca. 2 mm. Stamens pubescent; filaments entire. Carpels 5, glabrous or sparsely pubescent. Follicles 1--1.5 cm, glabrous. Seeds obovate, ca. 3 mm. Fl. and fr. Aug--Sep.

* Alpine grasslands, by streams; ca. 2000 m. S Nei Mongol (Liangcheng Xian).