A deciduous shrub of the Buddleaceae family. The stem is square with fins on the ridge, 1-1.5 meters tall, and branches from the base. The leaves are opposite, broadly lanceolate, pointed at the tip, and have shallowly incised wavy sawtooth edges. The leaf surface is wrinkled. From July to September, the plant produces spike-like inflorescences 10-20 cm long that hang down at the end of the branches like a tail, and many pale pink-purple flowers bloom in a line on one side. The corolla is tubular and slightly curved, with a quarter at the end. There are four stamens, attached 1/4 of the way down from the base of the flower tube. The fruit is oval, brown, and ripens in autumn, splitting into two. It grows on sunny riverbanks in mountain valleys, and is distributed in Honshu and Shikoku. The whole plant contains pungent essential oils and saponins, making it a poisonous plant. The genus Buddleia is found in the tropics and subtropics of Asia, America and Africa, and consists of about 100 species of shrubs, trees, and rarely herbs. [Yoshio Kobayashi] Source: Shogakukan Encyclopedia Nipponica About Encyclopedia Nipponica Information | Legend |
フジウツギ科の落葉低木。茎は四角形で稜(りょう)上にひれがあり、高さ1~1.5メートル、基部から分枝する。葉は対生し、広披針(こうひしん)形で先はとがり、縁(へり)に浅く切れ込む波状の鋸歯(きょし)がある。葉面にしわがある。7~9月、枝先に先が尾状に垂れ下がる長さ10~20センチメートルの穂状花序をつくり、多数の淡紅紫色花を一方に並べて開く。花冠は筒状でやや湾曲し、先は4裂する。雄しべは4本、花筒の基部から4分の1のところにつく。果実は卵形、秋に褐色に熟して2裂する。山あいの日当りのよい川岸などに生え、本州、四国に分布する。全草に刺激性の精油およびサポニンを含み、有毒植物である。 フジウツギ属はアジア、アメリカ、アフリカの熱帯、亜熱帯に多く、低木または高木で、まれに草本もあり、約100種ある。 [小林義雄] 出典 小学館 日本大百科全書(ニッポニカ)日本大百科全書(ニッポニカ)について 情報 | 凡例 |
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