Do you mean "Diospyros kaki"? A Chinese tree having large, edible, orange to reddish fruit with orange flesh and an enlarged, persistent calyx. The fruit of this tree. 柿樹;柿
...5-4 in) diameter, and may be spherical, acorn-, or pumpkin-shaped. The calyx often remains attached to the fruit after harvesting, but...
...with frozen dew. Each tiny, white flower has a swollen calyx covered with the bladders. Seeds are very small, black...