自じ生せい

noun, noun or participle which takes 'suru', intransitive verb, noun which may take the genitive case particle 'no'

natural growth; wild growth; growing naturally

Refers to plants or organisms growing spontaneously without human cultivation or intervention. Often used in botanical or ecological contexts.

• この森もりには自じ生せいのランがたくさんある。

  There are many wild orchids growing naturally in this forest.

• その植しょく物ぶつは日本にほん各かく地ちに自じ生せいしている。

  That plant grows wild in various parts of Japan.