桫椤属 Cyathea
（重定向自Gymnosphaera）
桫椤属（学名：Cyathea）是一属蕨类。它们大部份都是陆生的，有着单一高大的茎。较少部份的树干有分枝。很多物种有纤维性的根。它们有超过470个物种，都是泛热带分布的。它们可以在热带雨林至温带树林生长。
桫椤属的学名是由古希腊文的「小杯」而来，意指它们叶底的杯状芽胞囊群。
Gymnosphaera
中文百科
英语百科
Cyathea 桫椤属
（重定向自Gymnosphaera）
Cyathea is a genus of tree ferns, the type genus of the fern order Cyatheales. They are mostly terrestrial ferns, usually with a single tall stem. Rarely, the trunk may be branched or creeping. Many species also develop a fibrous mass of roots at the base of the trunk. The genus has a pantropical distribution, with over 470 species. They grow in habitats ranging from tropical rain forests to temperate woodlands.
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