Persimmon in color. The calyx generally remains attached to the fruit after harvesting, but becomes easy to remove once the fruit is ripe. The ripe fruit has a high glucose content and is sweet in taste. Like the tomato, persimmons are not commonly considered to be berries, but morphologically the fruit is in fact a berry. While many species of "Diospyros" bear fruit inedible to humans or only occasionally gathered, the following are grown for their edible fruit: Asian or Japanese persimmon ("Diospyros kaki") is the commercially most important persimmon, and is native to Japan, China, Korea, Myanmar and Nepal. It
Diospyros medical compound betulinic acid. Extracts from "Diospyros" plants have also been proposed as novel anti-viral treatment. Though bees do not play a key role as pollinators, in plantations "Diospyros" may be of some use as honey plants. "D. mollis", locally known as "mặc nưa", is used in Vietnam to dye the famous black "lãnh Mỹ A" silk of Tân Châu district. The reverence of these trees in their native range is reflected by their use as floral emblems. In Indonesia, "D. celebica" (Makassar ebony, known locally as "eboni") is the provincial tree of Central Sulawesi, while ajan kelicung ("D. macrophylla")