stipes

The differentiation  of its sporophore is bud—stipe—pileus differentiation—pileus mature—spore scatter.

灵芝的实体化过程，要经过芽—柄—化—成熟—孢飞散。

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.

地，叶柄，部黑色；较年轻的叶一回羽状复叶，较老的叶二回或三回羽状复叶。