Any of numerous plants of the genus Oxalis,having often cloverlike compound leaves with three leaflets and variously colored flowers that are usually clustered in umbels.

• 酢浆草，属任一种酢浆草属的植物，经常有混合的三叶状的复叶，附有三片小叶，有各色的花通常集聚在伞状花序上。