Northeastern Asian Flora
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Chloranthus serratus (Thunb.) Roem. & Schult.  
Family: Chloranthaceae
[Chloranthus quadrifolius A.Gray, moreNigrina serrata Thunb.]
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  • Far Eastern Russia
  • Japan Flora
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Russia Flora: Plant, up to 50 cm tall, in many ways resembling the previous species. Leaves 4 or 6 in number, arranged in pairs close to the apex, from oval to elliptical, up to 15 cm long, 7 cm wide, abruptly narrowed at the base. Spikes usually 2 in number, up to 5 cm long. Stamens up to 3 mm long, with a longer middle lobe. Fruit a drupe, obovate, 3 mm long. 

Southern Kuril (rare).  In forests in the lower mountain belt. Flowers V-VI, fruits VI-VII. Protected.  General distribution: Japan-China. Described from Japan.

Japan Flora: Erect glabrous perennial from branching rhizomes; stems 30-50 cm. long, usually simple; lower leaves reduced to membranous connate sheaths, the ordinary leaves 4 or 6, paired, approximate, ovatc- oblong to elliptic or ovate, 8-15 cm. long, 4-7 cm. wide, acumi­nate, sharply serrulate, abruptly narrowed toward the base, die petioles 8-12 mm. long; spikes erect, usually 2, sometimes to 5, or solitary, 3-5 cm. long; flowers small, white; filaments 3, 2.5-3 mm. long, connate into a broadly obovate, 3-lobed body, the median lobe slightly longer than the lateral ones; anthers introrse; fruit broadly obovoid, about 3 mm. long. Apr.-June. Woods in low mountains.

Hokkaido, Honshu, Shikoku, Kyushu; common. China.

Chloranthus serratus
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Development supported by College of Agriculture and Life Sciences of Seoul
National University and Korea National Arboretum of Korea Forest Service.
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