tree ferns of temperate Australasia having bipinnatifid or tripinnatifid fronds and usually marginal sori; in some classification systems placed in family Cyatheaceae.
布于温带澳大拉西亚树蕨,二回裂或三回裂,囊位于缘;在一些类中归入桫椤科。
tree ferns of temperate Australasia having bipinnatifid or tripinnatifid fronds and usually marginal sori; in some classification systems placed in family Cyatheaceae.
布于温带澳大拉西亚树蕨,二回裂或三回裂,囊位于缘;在一些类中归入桫椤科。
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.
形态:地生,柄丛生,基部黑色;较年轻子一回复,较老子二回或三回复。
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