Castanopsis cuspidata; Japanese chinquapin
A species of evergreen tree native to Japan; also called 円椎 (つぶらじい). The nut is edible.
See also: ツブラジイ
The Japanese chinquapin is an evergreen tree that grows wild in the mountains of warm regions.
In autumn, the nuts of the Japanese chinquapin fall.
Katakana spelling is common for this plant name; usually written in kana.
Kanji spelling is rare; the word is usually written in kana.
The name コジイ is of native Japanese origin; the kanji 小椎 literally mean 'small chinquapin', but the exact derivation is uncertain.