It is an evergreen shrub of the Apocynaceae family, 4-5m tall, with two sharp thorns growing from the nodes, the tips of which are usually bifurcated once or twice. The flowers are white and beautifully fragrant, and in tropical regions, because of the thorns, it is used as a hedge to prevent intrusion by humans and livestock. The opposite leaves are oval, slightly pointed at the tips, about 5cm long, dark green, glossy, somewhat thick and hard. The flowers are about 3cm in diameter, with thick, star-shaped petals divided into five pieces. There are five stamens. The fruit is spindle-shaped, 4-5cm long, beautifully red when ripe, and purple-black when fully ripe. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
高さ4~5mのキョウチクトウ科の常緑低木で,節から鋭いとげが2本生じ,先端は通常1~2回,二叉(にさ)に分かれている。花は白色で美しく芳香があり,熱帯地方ではとげがあるので,人畜の侵入を防ぐために生垣として利用される。対生する葉は楕円形で先はわずかにとがり長さ5cm内外,濃緑色で光沢がありやや厚く硬い。花は径3cmくらいで,花弁は厚く5片に分かれ,星状を呈する。おしべは5本ある。果実は紡錘状で長さ4~5cm,熟すと赤色となり美しく,完熟すると紫黒色となる。
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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