Aconitum apetalum (Huth) B. Fedtsch.

Rhizome unknown. Stem to 200 cm tall, ca. 1.5 cm in diam., shortly branched, glabrous or basally retrorse pubescent. Basal leaves and proximal cauline ones long petiolate; petiole 30--40 cm, pubescent; leaf blade orbicular-reniform, to 15 × 25 cm, 3-parted, abaxially pubescent at veins, adaxially glabrous; central lobe rhombic, 3-fid, margin lobulate and dentate; lateral lobes obliquely flabellate, unequally 2-lobed. Inflorescence terminal, to 60 cm, many flowered; rachis and pedicels densely spreading pubescent; bracts linear, 4--5.5 mm. Pedicels 2--5 mm, with 2 bracteoles at base; bracteoles similar to bracts, but slightly shorter. Sepals white or yellowish, abaxially sparsely pubescent; lower sepals ca. 7.2 mm; lateral sepals ca. 7.8 mm; upper sepal high galeate, 6--8 mm high, 3.2--3.6 mm in diam., erect, subbase of external margin slightly contracted or not, long beaked, lower margin 8--10 mm. Petals shorter than sepals, ca. 6 mm, glabrous; limb ca. 1/2 as long as claw; lip linear, conspicuous; spur absent. Stamens glabrous; filaments entire, rarely 1-denticulate. Carpels 3; ovary pubescent. Fr. Aug.

Xinjiang (Tian Shan) [Kazakhstan].

Picea forests, grassy slopes in valleys; 1700--1900 m.

Delphinium apetalum Huth, Bot. Jahrb. Syst. 20: 398. 1895.