开花后，花萼通常脱落，但有些植物直到果实成熟依然存在的花萼。如茄、柿等
After blooming, the calyx usually falls off, but in some plants, the calyx remains until the fruit matures. This is seen in plants like eggplants and persimmons.

带宿萼的果实
Fruit with persistent calyx

萼片的总称。由若干萼片组成，位于花的最外一轮
The general term for sepals. It consists of several sepals and is located on the outermost layer of the flower.