鸡眼草（学名：Kummerowia striata）是一种豆科植物。

一年生草本，多分枝，小枝上有向下倒挂的白色细毛。复叶互生，具3小叶；有短柄；长椭圆形或倒卵状长椭圆形的小叶，先端圆形，其中脉延伸呈小刺尖，基部楔形；沿中脉及边缘有白色鬃毛。长卵形托叶较大，急尖。

1～2朵蝶形花，腋生；小苞片4，卵状披针形；深紫色钟状花萼，长2.5～3毫米，5裂，裂片阔卵形；浅玫瑰色花冠，较萼长2～3倍，旗瓣近圆形，顶端微凹。

卵状矩圆形荚果，有短细毛，萼宿存。黑色种子1粒，具不规则的褐色斑点。花期7～9月，果期9～10月。

Kummerowia striata is a species of flowering plant in the legume family known by the common name Japanese clover. It is native to much of Asia 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 40 centimeters tall. The leaves are made up of three oval leaflets. 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 fruit is a small legume pod containing one seed.