…Most species are evergreen, large to small trees, often with thorns. In Japan, acacias are commonly called mimosas, which comes from the fact that wattle wattle, imported as cut flowers from southern France, is called mimosa in England. However, botanically, the Mimosa genus is called mimosa, which has 4 to 10 stamens and should be distinguished from the Acacia genus, which has many stamens. … From [Mimosa pudica]...A perennial plant of the legume family that is planted in pots or flower beds, with an interesting movement of the leaves closing when touched (illustration). Its English name is mimosa, but in gardening stores, mimosa often refers to the Acacia dealbata. The leaves are alternate, with 2-4 pinnate compound leaves at the end of a long stalk. When stimulated by vibration, contact, fire, alcohol or ammonia gas, the turgor pressure at the base of the leaf node changes, causing the leaves to fold and close, and the petioles to droop, but they recover over time. From this, it is also called a sensitive plant in English. ... *Some of the terminology that mentions "mimosa" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…ほとんどの種類は常緑性の大高木から小高木で,しばしばとげを有している。日本ではアカシア類をミモザと通称するが,これはイギリスで,フランス南部から切花として輸入されるフサアカシアがミモサmimosaと呼ばれることから来たものである。しかし,植物学的にはオジギソウ属Mimosaがミモサと呼ばれるもので,おしべが4~10本あり,おしべが多数のアカシア属とは区別されるべきものである。… 【オジギソウ】より…葉にさわると閉じる運動がおもしろく,鉢植えや花壇に植えられるマメ科の多年草(イラスト)。英名はmimosaだが,園芸店でミモザといえばアカシア属のフサアカシアをさすことが多い。葉は互生し,長い柄の先に2~4片の羽状複葉をつけ,振動,接触,火気,アルコールやアンモニアのガスによる刺激を受けると,葉節の基部の膨圧に変化を起こし葉をたたみ閉じて葉柄が下垂するが,時間がたてば回復する。ここから英語でsensitive plantともいう。… ※「mimosa」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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