Notes For Refference:-

Ammannia multiflora / Himemisohagi ヒメミソハギ

Ammannia multiflora is a 10-40 cm tall annual herb found in paddies or wetlands, characterized by branches with stems featuring four ridges. Leaves are opposite: 1.8-5cm long, 0.2-1.2cm wide, broad linear to lanceolate-like, long oblong, with bases embracing the stems. Flowers are set at the axils, tiny - 1.5mm in diameter. The petals, four in number, are a deep red-purple. Fruit (capsules), about 2mm in diameter, and calyxes cover the lower half. Bloom time: September-November.