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(First upload on February 17 2016. Last on November 22 2021) [ 日本語 | English ]

Boehmeria Jacq. (カラムシ) Koakaso (コアカソ, 小赤麻), spicate falsenettle Ki-akaso (キアカソ, 黄赤麻) Lifeform: deciduous, semi-shrub (stem lignified at the bottom and branched) ≈ 1-3 m tall Distribution: Mongol (Menggu) - China - Korea - Japan (south to Honshu, not in Hokkaido) Habitat: sunny valleys, forest edges, roadsides, etc.

Leaf: 4-8 cm long, tailed Leaf: non-trifid top Synonyms: Boehmeria japonica (L. f.) Miq. var. tenera (Blume) Friis et Wilmot-Dear var. microphylla Nakai ex Satake (コバノコアカソ), leaf < 1/2 of the type Chromosome number: 2n = 14

Boehmeria spicata in Japan

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[1-3] at a trail to go Yakuo-in Shrine on Mount Takao (599 m elevation), Tokyo, on October 21 2013. [4-6] near Kintaro Rock between Togendai and Ubako, Hakone, central Honshu, on August 21 2021.