Spear‐leaved cerbera

Japanese: ミフクラギ（英語表記）spear‐leaved cerbera

In Japan, this evergreen small tree (illustration) is found in the coastal forests of the Ryukyu Islands and is well known as a poisonous plant of the Apocynaceae family. It grows to a height of 4-10m and has a white milky sap all over. The leaves are gathered at the ends of the twigs, alternate, obovate-oblong or obovate-lanceolate, 6-37cm long, hairless, abruptly tapered at the tip, narrow at the base, and have many lateral veins. The cymes are terminal. The corolla is high-tray shaped, white, about 5cm in diameter, with a red throat, and five obovate-sickle-shaped lobes, 2-3cm long.

Source: Heibonsha World Encyclopedia, 2nd Edition Information

Japanese:

日本では琉球諸島の海岸林に見られるキョウチクトウ科の有毒植物として有名な常緑小高木（イラスト）。高さ4～10mに達し，全体に白色の乳液を有する。葉は小枝の先端に集まり，互生し，倒卵状長楕円形ないし倒卵状披針形，長さ6～37cm，毛がなく，先端は急に細長くとがり，基部は狭長，多数の側脈がある。集散花序は頂生。花冠は高盆形で白色，径約5cm，喉部（こうぶ）は紅色，裂片は5枚で倒卵状鎌形，長さ2～3cm。

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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