Notes For Refference:-

Ammannia auriculata / Nangokuhimemisohagi ナンゴクヒメミソハギ

Ammannia auriculata, an annual herb reportedly found in North America, has recently been observed growing wild in western Japan. Stems rise 20-80cm, with wings on ridges. Leaves are of opposite phyllotaxis, 2-8cm long, in the shape of a broad, linear leaf, with bases somewhat jutting out in a hastate manner. Flowers with four petals, red-purple in color, 1-5 in number, are set on the tips of peduncles 3-10cm long; the pedicels measure 2-5mm in length. Bloom time: August-October.