bipinnatifid

1.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的树蕨，叶二裂三裂，囊群位于叶的边缘；在一些类中归入桫椤科。