puffball
n. 馬勃(菌)
A puffball is a round fungus which bursts when it is ripe and sends a cloud of seeds into the air.
1. any of various fungi of the family Lycoperdaceae whose round fruiting body discharges a cloud of spores when mature
2. any of various fungi of the genus Scleroderma having hard-skinned subterranean fruiting bodies resembling truffles