Lithocarpus edulis

Lithocarpus edulis is a species of flowering plant in the family Fagaceae.^[2][3] It is sometimes referred to by the common name Japanese stone oak and is native to Japan and the Ryukyu Islands.^[2] It is an evergreen tree growing up to 15 metres tall. The nuts are edible for people but taste bitter. The nuts contain tannins, however soaking them in water removes them. It is cultivated as an ornamental plant.

Japanese stone oak
Lithocarpus edulis, Kantō region, Japan
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Plantae
Clade:	Tracheophytes
Clade:	Angiosperms
Clade:	Eudicots
Clade:	Rosids
Order:	Fagales
Family:	Fagaceae
Genus:	Lithocarpus
Species:	L. edulis
Binomial name
Lithocarpus edulis (Makino) Nakai
Synonyms[2]
Homotypic Synonyms Pasania edulis (Makino) Makino Quercus edulis Makino Quercus glabra Siebold & Zucc. Synaedrys edulis (Makino) Koidz. Heterotypic Synonyms Lithocarpus sublepidotus (Blume) Koidz. Quercus glabra var. micrococca Blume Quercus glabra var. sublepidota Blume