noun, noun which may take the genitive case particle 'no'
Refers to plants that retain green leaves throughout the year. Often used attributively with の, as in 常緑の木 (evergreen tree).
この森には常緑の木が多い。
There are many evergreen trees in this forest.
常緑樹は一年中葉をつけている。
Evergreen trees keep their leaves all year round.