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(First upload on September 24 2015. Last on November 9 2018) [ 日本語 | English ]

Boehmeria Jacq. (カラムシ) Akaso (アカソ, 赤麻) Lifeform: perennial forb < 1 m high Distribution: China - Korea - Japan Habitat: slightly-wet sites

Chromosome number: 2n = 28 (sexual), or 42 (asexual) Leaf: 8-20 cm long, trifid top Synonyms: Boehmeria tricuspis (Hance) Makino, excl. basionym Boehmeria japonica (L. f.) Miq. var. silvestrii (Pamp.) Friis et Wilmot-Dear

Boehmeria silvestrii in Hokkaido

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4 5 6
[1-3] in the park of Nakatonbetsu Limestone Caves for Communication with Nature (中頓別鍾乳洞自然ふれあい公園), northern Hokkaido, on August 28 2015. [4] in Tsukiura Forest Park faced to Toya Lake on September 4 2018. [5/6] near Moiwa skislope along a trail to Mount Moiwa (藻岩山) on June 22 2021.