...A sturdy perennial plant of the Urticaceae family that grows in the low mountains and on roadsides on the plains of western Japan (illustration). It is a highly reproductive, weedy plant. It grows to a height of 1-1.7m. Many stems grow from a single plant, are densely hairy, and are sturdy. The leaves are opposite, oval, and 5-15cm long. The leaf edges have coarse double serrations, and the undersides are covered with soft, dense hairs. It usually only produces female flowers, and has the unusual property of producing seeds without pollination. This property is called apomixis. The female flowers have two tepals, about 1mm long, that are fused together and encase the ovary. ... *Some of the terminology explanations that mention "Boehmeria" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…西日本の低い山地や平地の路傍に生えるイラクサ科の剛壮な多年草(イラスト)。繁殖力が旺盛で,雑草的な植物である。草丈は1~1.7m。茎は一株からたくさん出て叢生(そうせい)し,密に毛があり,頑丈である。葉は対生し,卵円形で長さ5~15cm。葉縁には粗い重鋸歯があり,葉裏は柔らかい密毛でおおわれている。通常雌花しかつけず,受粉をせずに種子を作る変わった性質がある。この性質は無配生殖と呼ばれる。雌花の花被片は2枚あり,長さ1mm程度で互いに合着して子房をつつみこんでいる。… ※「Boehmeria」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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