A tall palm tree famous for producing the world's largest seeds. Also called sea palm, it is also called futago palm or double coconut due to the unique shape of its seeds. It is native to the Seychelles Islands in the Indian Ocean, and is one genus and one species. The trunk reaches a height of 30 m and a diameter of 40 cm, and is swollen at the base. The leaves are palmate, obovate-rhombic, 4-7 m long, 2-4 m wide, shallowly lobed, and the lobes are 30-40 cm long, fan-shaped, and bipartite at the tip. It is said that one leaf is produced every year. The flowers are dioecious. The spadix is axillary and about 1 m long. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
世界最大の種子を生じることで有名なヤシ科の高木。ウミヤシとも呼び,またその特異な種子の形からフタゴヤシあるいはダブルココナッツの名もある。インド洋セーシェル諸島の原産で,1属1種である。幹は高さ30m,直径40cmに達し,基部はふくれる。葉は掌状で倒卵状ひし形,長さ4~7m,幅2~4m,浅裂し,裂片は長さ30~40cmで扇形をなし,先端は2中裂する。毎年1葉を出すという。花は雌雄異株。肉穂花序は腋生(えきせい)で長さ約1m。
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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