A deciduous climbing woody plant of the Vitaceae family. It is found from North America to Mexico, but is also cultivated in Europe and Japan, where it is grown on fences and walls. It grows by wrapping itself around other objects with branched tendrils that have suckers. The leaves have long stalks and are usually palmately compound leaves consisting of five leaflets, each with a sawtooth. In autumn, the leaves turn a beautiful red. Around July, a cyme blooms at the top of the stem. The fruit is a berry that ripens blue and contains 2 to 3 seeds. There are many variations in the shape of the leaf sawtooth and tendrils. Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information |
ブドウ科の落葉つる性木本。北アメリカからメキシコにかけて分布するが,ヨーロッパや日本でも塀や壁などにはわせて栽培する。吸盤のある分枝した巻きひげにより他物に巻きついて立上がる。葉は長い柄をもち,普通5小葉から成る掌状複葉で,小葉には鋸歯がある。秋には美しく紅葉する。7月頃,茎の頂部に集散花序をつける。果実は液果で青色に熟する。中に2~3個の種子がある。葉の鋸歯および巻きひげの形に変異が多い。
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