(First upload on December 17 2011. Last on February 16 2016) [ 日本語 | English ]
Mount Usu / Sarobetsu post-mined peatland
From left: Crater basin in 1986 and 2006. Cottongrass / Daylily
HOME > Plant list (植物リスト) > Urticaceae (イラクサ科) > Boehmeria gracilis
Boehmeria Jacq. (カラムシ)Kusakoakaso (クサコアカソ, 草小赤麻)Marubaakaso (マルバアカソ, 丸葉赤麻) Lifeform: perennial forb < 1.5 m high → B. spicata (Thunb.) Thunb. (コアカソ), whici is not distributed in Hokkaido, is a shrub Distribution: China - Japan Habitat: sunny sites, such as roadsides, and forest edges |
Leaf: non-trifid top ↔ B. silvestrii Chromosome number: 2n = 14 Synonyms:
Boehmeria tricuspis (Hance) Makino var. unicuspis Makino. When suported, this species is a variety of B. tricuspis (Akaso, アカソ) |
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[1/2] on the caldera rim of Mount Usu on August 8 2011. The plant was a bit bloodless. [3] at a small botanic garaden in Tomakomai Experimental Forest on Aguust 23 2012 ⇒ Field trip: Nature on lakes, volcanoes, sea and forests (海と湖と火山と森林の自然)
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[4/5] in Tsukiura Forest Park, closed to Mount Usu, faced to Toya Lake on September 15 2015.