"Every April, when these trees become mature, they will spread the blowball," she said.

韩研究员说，每年4月毛白杨实成熟时便会开裂并释出杨絮。

Puffballs are named for the fact that puffs of spores are released when the dry and powdery tissues of the mature spherical fruiting body (basidiocarp) are disturbed.

马勃菌因其成熟球形体（）的乾状组织晃时会释出大似的孢而得名。