Lithocarpus occurs as genus in the fagaceae Fagaceae. A Kew Checklist (watch hyperlink in the image besale) accepts 334 metal money, though another texts indicate when low when C mintage. Nigh a single come indigene to east & south-east Asia; the lone exception, Lithocarpus densiflorus (Tanoak), being indigene to american North America in southwest Oregon and California. A Asian mintage don't have a easily-known English common title, though a generic term stone oak has been proposed.

Although ordinarily involved inside Lithocarpus, recent inherited grounds to believe ([http://www.biol.ttu.edu/faculty/facpages/cannon/pdfs/manos01.pdf Int. J. Plant Sci. 162(Sextet): 1361–1379. 2001; pdf file]) suggests that the Northerly Western metal money is merely distantly related Asian mintage; it can be better transferred to a genus of its have.

It is evergreen trees with coriaceous, surrogate leaves, which may be either entire or even toothed. A seed is a nut very similar to an oak acorn, but sustaining a super protective, woody nut husk (hence the genus title, from either Greek lithos, stone, + carpos, seed). A nut kernel is victual inside occasionally coinage (e.g. Lithocarpus edulis), however uneatable, & super bitter, within others (e.g. L. densiflorus).

Many of the coinage may be attractive cosmetic trees, utilized around parks and big gardens in warmly moderate & semitropic areas.