tree ferns of temperate Australasia having bipinnatifid or tripinnatifid fronds and usually marginal sori; in some classification systems placed in family Cyatheaceae.
分布于温带澳大拉西树蕨,叶二回羽状分裂或三回羽状分裂,囊
位于叶
边缘;在一些分类中归入桫椤科。
tree ferns of temperate Australasia having bipinnatifid or tripinnatifid fronds and usually marginal sori; in some classification systems placed in family Cyatheaceae.
分布于温带澳大拉西树蕨,叶二回羽状分裂或三回羽状分裂,囊
位于叶
边缘;在一些分类中归入桫椤科。
Characteristics: Terrestrial ferns; stipes tuft, backlish at base; young fronds pinnaye with wider pinnae, when getting older, the fronds become bipinnate or tripinnatifid with slender pinnules.
:
生,叶柄丛生,基部黑色;较年轻
叶子一回羽状复叶,较老
叶子二回或三回羽状复叶。
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