露草(ツユクサ) dayflower

　ツユクサの花びらは3枚あります。上側の2枚は青く大きく目立ちますが、下の1枚は白くて小さいので目を凝らさないと見えません。

　A dayflower has 3 petals. The upper two petals are blue and bigger and stand out, but the lower one is white and small, so you can't see it unless you pay close attention.