Actaea asiatica H. Hara

Rhizome black-brown, with numerous slender fibrous roots. Stems 30--80 cm tall, terete, 4--6(--9) mm in diam., unbranched, basally glabrous, apically white pubescent. Leaves 2 or 3, proximal cauline leaves 3 × ternately pinnate, long petiolate; petiole 10--17 cm; leaf blade triangular, to 27 cm wide, abaxially glabrescent, adaxially subglabrous; terminal leaflet ovate to broadly ovate-rhombic, 4--10 × 2--8 cm, 3-fid, margin sharply serrate; lateral leaflets ovate to obliquely ovate. Distal cauline leaves similar to proximal ones, but smaller. Inflorescence racemose, 2.5--4(--6) cm, to 17 cm at fruiting; rachis and pedicels densely white or gray pubescent; bracts linear-lanceolate, ca. 2 mm. Pedicels 5--8 mm. Sepals obovate, 2.5--3 mm. Petals spatulate, 2--2.5 mm. Filaments 3--5 mm; anthers ca. 0.7 mm. Pedicels at fruiting 1--1.5 cm, ca. 1 mm in diam. Fruit solitary, purple-black, ca. 6 mm in diam. Seeds ca. 6, dark brown, ovate, ca. 3 × 2 mm. Fl. May--Jun, fr. Jul--Sep. 2n = 16*.

Gansu, Hebei, Heilongjiang, Hubei, Jilin, Liaoning, S Nei Mongol, Qinghai, Shaanxi, Shanxi, Sichuan, E Xizang, Yunnan [Japan, Korea, Russia (Far East)].

Forests; 300--3100 m.

Actaea acuminata Wallich subsp. asiatica (H. Hara) Luferov; A. spicata Linnaeus var. asiatica (H. Hara) S. H. Li & Y. H. Huang.

Flowering from May to June; fruiting from July to September.

Actaea asiatica is close relative of Actaea erythrocarpa, but differs from the latter in its pedicels thickened at fruiting (vs. not thickened), ca. 1 mm in diameter (vs. 0.6 mm), fruits black (vs. red, sometimes white).

Actaea asiatica is occurring in Gansu, Hebei, Heilongjiang, Hubei, Jilin, Liaoning, S Nei Mongol, Qinghai, Shaanxi, Shanxi, Sichuan, E Xizang, Yunnan of China, Japan, Korea, Russia (Far East).

Rhizome black-brown, with numerous slender fibrous roots. Stems 30-80 cm tall, terete, 4-8 mm in diameter, unbranched, basally glabrous, apically white pubescent. Leaves 2 or 3, proximal cauline leaves 3 times ternately pinnate, long petiolate; petiole 10-15 cm long; leaf blade triangular, up to 25 cm wide, abaxially glabrescent, adaxially subglabrous; terminal leaflet ovate to broadly ovate-rhombic, 4-10 cm long, 2-6 cm wide, 3-fid, margin sharply serrate; lateral leaflets ovate to obliquely ovate. Distal cauline leaves similar to proximal ones, but smaller. Inflorescence racemose, 2.5-5 cm, to 17 cm at fruiting; rachis and pedicels densely white or gray pubescent; bracts linear-lanceolate, ca. 2 mm. Pedicels 5-8 mm. Sepals obovate, 2.5-3 mm. Petals spatulate, 2-2.5 mm. Filaments 3-5 mm; anthers ca. 0.7 mm. Pedicels at fruiting 1-1.5 cm, ca. 1 mm in diameter. Fruit solitary, purple-black, ca. 6 mm in diameter. Seeds ca. 6, dark brown, ovate, ca. 3 mm long, 2 mm wide.

The chromosomal number of Actaea asiatica is 2n = 16 (Nishikawa, 1981; Wang et al., 1994; Yang, 1998).

Growing in forest; 500-3000 m.

Actaea asiatica, commonly known as Asian baneberry, is a species of baneberry that ranges throughout Asia. The flowers are ranges from gray to white. The berries are black-purple. The plant is extremely poisonous to humans. The fruits are eaten by birds which disperse the seeds.

Actaea asiatica là một loài thực vật có hoa trong họ Mao lương. Loài này được H.Hara mô tả khoa học đầu tiên năm 1939.

类叶升麻（学名：Actaea asiatica）为毛茛科类叶升麻属下的一个种。

アカミノルイヨウショウマ

ルイヨウショウマ（類葉升麻、学名；Actaea asiatica ）は、キンポウゲ科ルイヨウショウマ属に分類される多年草。