| Family | Urticaceae | 
    
      | Scientific name | Boehmeria nipononivea Koidzumi | 
    
      | Synonyms | Boehmeria nivea (L.) Gaudichaud-Beaupré subsp. nipononivea (Koidzumi) Kitamura;
      Boehmeria nivea (L.) Gaudichaud-Beaupré var. tenacissima (Gaudichaud-Beaupré)
      Miquel; Boehmeria tenacissima Gaudichaud-Beaupré; Boehmeria frutescens
      var. concolor (Makino) Nakai; Boehmeria nivea (L.) Gaudichaud-Beaupré var.
      candicans Weddell; Boehmeria nivea (L.) Gaudichaud-Beaupré var. concolor
      Makino; Boehmeria nivea (L.) Gaudichaud-Beaupré var. nipononivea (Koidzumi)
      W. T. Wang; Boehmeria nivea (L.) Gaudichaud-Beaupré var. viridula Yamamoto;
      Boehmeria thailandica Yahara. | 
    
      | Common name | (Japanese common name) karamushi (カラムシ, 茎蒸 [meaning: steamed stems (steamed
      stems of this plants were used to be the ingredients of hemp cloth)]),
      kusa-mao (クサマオ, 草真苧 [meaning: hemp weed]) mao (マオ, 真苧 [meaning: hemp]) | 
    
      | (English common name) none | 
    
      | Distribution | (Japan) Honshu, Shikoku, Kyushu | 
    
      | (Other nations) Korea, China, Taiwan, Vietnam, Thailand, Indonesia, Laos | 
    
      | Habitat | Field, riverside | 
    
      | Chromosomal number | n=14 | 
    
      | Description | Plants 100-150cm tall. Leaves 9-15cm long. Flowers flowering in August
      to September. perennial plants. | 
    
      | Reference | Boehmeria nipononivea Koidz. | 
    
      | Boehmeria nivea var. tenacissima (Gaudichaud-Beaupré) Miquel |