A vine of the genus Hedera (Araliaceae). Widely distributed in North Africa, Europe, and Asia, it is sometimes considered one species or classified into about 10 species. Ivy grows wild in Japan. It is an evergreen shrub with many aerial roots that attach to other objects (trees, rocks, etc.) and climb up. The leaves are alternate and entire or have 3 to 12 shallow lobes like maple leaves. The flowers are bisexual and small with a greenish tint, and the fruit is a berry-like drupe containing 3 to 5 seeds. Canary ivy H. canariensis Willd. ( H. helix L.var. canariensis (Willd.) DC.) is a vine native to islands such as the Canary Islands, Madeira, and Azores. The stems are tall and either climbing or drooping longer than the object they are attached to. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
ウコギ科キヅタ属(ヘデラ属)Hederaのつる植物。北アフリカ,ヨーロッパ,アジアに広く分布し,ひっくるめて1種とされたり,10種ほどに分類されたりする。日本にもキヅタが自生する。常緑低木で多数の気根を出し,他の物体(樹木,岩石)などに吸着してよじのぼる。葉は互生し,全縁あるいはカエデの葉のように3~12浅裂する。花は両性で小さく帯緑色,果実は液果状核果で,なかに3~5粒の種子がある。 カナリーキヅタH.canariensis Willd.(=H.helix L.var.canariensis (Willd.) DC.)はカナリア,マデイラ,アゾレスなどの諸島原産のつる植物で,茎は高く登攀(とうはん)もしくは付着物体より長く下垂する。
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