noun
common false pimpernel; prostrate false pimpernel
A small annual herb found in wet places like rice paddies; botanical name Lindernia procumbens.
田んぼのあぜにアゼナが咲いていた。
Common false pimpernel was blooming on the paddy ridge.
The name likely derives from 畔 (あぜ, 'ridge between rice fields') + 菜 (な, 'greens/herb'), referring to its habitat. The exact historical derivation is uncertain.