A deciduous tree with one species in one genus and one family, thought to be one of the remaining plants, found in mountainous areas at altitudes of 500-1500m in central and southern China, and growing to a height of 10-20m (illustration). The leaves are odd-pinnate compound leaves that are about 80cm long and alternate with 7-15 elliptical to narrowly ovate leaflets. The inflorescence is a compound raceme 20-30cm long, borne at the terminal end. The flower is about 4cm in diameter, with five red petals, a bell-shaped calyx, and eight stamens (occasionally five to nine). The ovary has three locules, each containing two ovules. The fruit is an elliptical-spherical capsule with a long diameter of 2-4cm. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
残存植物の一つとみられる1科1属1種の落葉樹で,中国中南部の標高500~1500mの山地に分布し,高さ10~20mになる(イラスト)。葉は長さ約80cmにもなる奇数羽状複葉で互生し,7~15枚の楕円形~狭卵形の小葉をもつ。花序は長さ20~30cmの複総状花序で頂生する。花は径約4cm,花弁は紅色で5枚,萼は鐘状,おしべは8本(ときに5~9本)。子房は3室で各室に2胚珠がある。果実は長径2~4cmの楕円球形の蒴果(さくか)。
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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