Excoecaria cochinchinensis Lour.

Japanese: セイシボク(青紫木) - セイシボク（英語表記）Excoecaria cochinchinensis Lour.

A shrub of the Euphorbiaceae family. It grows to a height of 2m, with many thin twigs and bushy growth. The leaves are egg-shaped, lanceolate, and pointed, with a glossy green upper surface and a vivid purple-red underside, creating a beautiful contrast. The flowers are small and inconspicuous. It has long been a well-known ornamental plant, and should be kept above 10°C in winter. In summer, it is best to place it in the shade to prevent sunburn. It should be planted in fertile soil with good drainage, and propagated by cutting the tips of branches 5-10cm long in June-July. There are about 25 species of Excoecaria in the tropical regions of the Old World.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

トウダイグサ科の低木。高さは2mに達し，細い小枝を多数出し，こんもり茂る。葉は卵状披針形で先がとがり，葉の表は光沢ある緑色，裏は鮮やかな紫紅色で，その対照が美しい。花は小さく目だたない。古くから知られる観葉植物で，冬は10℃以上で管理する。夏の間は日焼けを防ぐため，日陰に置くのがよい。排水のよい肥えた土に植え，繁殖は6～7月に枝先を長さ5～10cmに切って挿す。　セイシボク属Excoecariaは旧世界熱帯域に約25種ある。

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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