Fagus crenata sandy soils. It reaches in height. The crown is rounded and the bark is smooth and grey. The simple leaves are arranged alternately along the branch. They are broadest towards the base and have 7 to 11 pairs of veins. The nut has a short thick stalk, long. There are flattened green whiskers at the base of the husk of the nut. The flowers are wind-pollinated. The young leaves and seeds are edible. Fagus crenata Fagus crenata, known as the Japanese beech, Siebold's beech, or buna, is a deciduous tree of the beech genus, "Fagus", of the family Fagaceae. It
Parornix fagivora continues living freely under a folded leaf margin or leaf tip. Parornix fagivora Parornix fagivora is a moth of the Gracillariidae family. It is found from Sweden to the Pyrenees, Italy and Albania and from Great Britain to southern Russia. The wingspan is 11–14 mm. The larvae feed on "Fagus sylvatica", including subspecies "Fagus sylvatica orientalis". They mine the leaves of their host plant. The mine starts as a small lower-surface epidermal corridor with reddish brown frass. Later, it becomes a small rectangular full depth blotch with black frass. The larva deposits only little silk in the mine, that remains