A small palm tree found in the tropics and subtropics of South America. It grows to a height of 3-8 m. The trunk is somewhat thick, and the base of the petiole of dead leaves remains on the surface. The leaves are pinnately lobed, 1-2 m long, often curved inward at the tip, and gray-white or gray-green. There are 25-60 pairs of pinnae, 30-50 cm long, narrow, drooping at the upper half, and sharply bifurcated at the tip. The axillary spadix is 1-1.5 cm long. The flowers are monoecious, small, yellow or red. Male flowers have six stamens, and female flowers have one pistil with three stigmas. Source: Heibonsha World Encyclopedia, 2nd Edition Information |
南アメリカの熱帯・亜熱帯に見られるヤシ科の小高木。高さ3~8mとなる。幹はやや太く,表面には枯葉の葉柄基部が残存する。葉は羽状全裂し,長さ1~2m,先端はしばしば弧状に内曲し,灰白色または灰緑色。羽片は25~60対,長さ30~50cm,狭長で,上半分は下垂し,先端はとがって2裂する。腋生(えきせい)の肉穂花序は長さ1~1.5cm。花は雌雄同株,黄色または紅色で小型。雄花には6本のおしべ,雌花には3柱頭の1本のめしべがある。
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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