Kummerowia stipulacea 圆叶鸡眼草
Kummerowia stipulacea is a species of flowering plant in the legume family known by the common name Korean clover. It is native to China, Japan, Korea, and Russia, and it is present in the eastern United States as an introduced species.
This annual herb grows prostrate, spreading, or erect stems. It grows up to 60 centimeters tall. The leaves are made up of three oval leaflets. One to five flowers occur in the leaf axils. There are **** flowers, which self-fertilize and never open, and chasmo****us flowers, which open and receive pollen from other plants. The latter flower type is purple-blue in color. The fruit is a small legume pod containing one seed.