Species in the genus Lindernia:

Lindernia dubia ssp. major / Amerikaazena アメリカアゼナ

Lindernia dubia ssp. major: An annual originating in North America, 10-30cm in height, grows in damp places like paddy fields in various districts. Leaves are oval-like, long, and oblong, with three conspicuous veins on the surfaces, wavy serrations on the margins, and short petioles. Flowers are light red to white; corollas 0.5-1cm long, in a labiate shape. Bloom time: August-September.