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Lithocarpus is a genus in the Fagaceae (beech family). The Kew Checklist (see link below) accepts 334 species, though some other texts suggest as low as 100 species. All but one are native to east and southeast Asia; the single exception, Lithocarpus densiflorus ( Tanoak), being native to western North America in southwest Oregon and California. The Asian species do not have a well-known English vernacular name, though the generic term stone oak has been proposed.

They are evergreen trees with leathery, alternate leaves, which may be either entire or toothed. The seed is a nutA nut in botany is a one-seeded (rarely two) simple dry fruit in which the ovary wall or part of it becomes very hard (stony or woody) at maturity. Most nuts come from pistils with inferior ovaries (see flower) and all are indehiscent (do not open at matu very similar to an oakThis article is about oak trees and shrubs. OAK is also the three-letter IATA airport code for Oakland International Airport in Oakland, California USA. See also Oak, Nebraska, USA. See List of Quercus species The term oak can be used as part of the commo acornThis article is about the seed; for other meanings of the word, especially ACORN community organization, see acorn (disambiguation . The acorn is the fruit of the oak tree. Nutrition Acorns are edible. However, some acorns are naturally high in tannins, m, but with a very hard, woody nut shell (hence the genus name, from Greek lithos, stone, + carpos, seed). The nut kernel is edible in some species (e.g. Lithocarpus edulis), but inedible, and very bitter, in others (e.g. L. densiflorus).

Several of the species are very attractive ornamental trees, used in parkFor the Korean family name Park, see Korean name. A park is any of a number of geographic features. Originally, the term referred to an area maintained as open space where residences, industry and farming were not allowed, often originally so that nobilits and large gardenA garden is a planned space, usually outdoors, set aside for the display, cultivation and enjoyment of nature. The garden can incorporate both natural and man-made materials. In its most common form, known as a residential garden, it is found adjacent tos in warm temperate and subtropical areas.