noun
Castanopsis sieboldii (species of chinquapin)
A species of evergreen tree in the beech family, native to Japan and parts of East Asia. The name is usually written in katakana.
スダジイは日本の照葉樹林を代表する樹種の一つです。
Castanopsis sieboldii is one of the representative tree species of Japan's laurel forests.