tendrils bifurcate.Leaves bipinnate, or pinnate on upper branches, basal pinnae of bipinnate leaves usually 3-foliolate;
卷须二叉二回羽状叶,或在上部分枝羽状,基部二回羽状叶通常具3小叶
;
tendrils bifurcate.Leaves bipinnate, or pinnate on upper branches, basal pinnae of bipinnate leaves usually 3-foliolate;
卷须二叉二回羽状叶,或在上部分枝羽状,基部二回羽状叶通常具3小叶
;
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,叶柄丛
,基部黑色;较年轻
叶子一回羽状
叶,较老
叶子二回或三回羽状
叶。
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