The grass in the leek field has purple flowers, and there are three laces on the edge.

Commelina communis, Latin scientific name: (Commelina communis), also known as green bamboo, green butterfly, light bamboo leaves, etc. It belongs to the order Powdered Endosperm, Commelinaceae, and Commelina is an annual loose herb.

The leaves of Commelina are lanceolate to ovate-lanceolate, the leaves are alternate, the stems are stolons, and the flowers are in clusters, terminal or axillary, monoecious, with two upper petals. It is blue, with a white lower petal. The flower bud is in the shape of a spathe, green, and has 6 stamens.