Sori hemispheroid, in 2-3 series on each side along the costules, without indusium.
孢子囊圆形,沿中脉两侧各排成2-3行,无囊盖。
Sori hemispheroid, in 2-3 series on each side along the costules, without indusium.
孢子囊圆形,沿中脉两侧各排成2-3行,无囊盖。
tree ferns of temperate Australasia having bipinnatifid or tripinnatifid fronds and usually marginal sori; in some classification systems placed in family Cyatheaceae.
布温带澳西亚的树蕨,叶二回羽状裂或三回羽状裂,囊叶的边缘;在一些类中归入桫椤科。
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