Overview

Comprehensive Description

General Description

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.

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Distribution

Localities documented in Tropicos sources

Actaea asiatica H. Hara:
Japan (Asia)
Russian Federation (Asia)
South Korea (Asia)
China (Asia)

Note: This information is based on publications available through Tropicos and may not represent the entire distribution. Tropicos does not categorize distributions as native or non-native.
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Gansu, Hebei, Heilongjiang, Hubei, Jilin, Liaoning, S Nei Mongol, Qinghai, Shaanxi, Shanxi, Sichuan, E Xizang, Yunnan [Japan, Korea, Russia (Far East)].
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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).

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Physical Description

Morphology

Description

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*.
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Diagnostic Description

Synonym

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

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Ecology

Habitat

Forests; 300--3100 m.
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Growing in forest; 500-3000 m.

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Life History and Behavior

Cyclicity

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

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Molecular Biology and Genetics

Genetics

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

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Molecular Biology

Barcode data: Actaea asiatica

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Actaea asiatica

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 2
Specimens with Barcodes: 2
Species With Barcodes: 1
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Wikipedia

Actaea asiatica

Actaea asiatica is 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.

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