水龟草 （学名：Tradescantia zebrina）， 原本出现在墨西哥与中美地带，如今已在亚洲、非洲、澳洲、南美洲等地带普及化。

Tradescantia zebrina, formerly known as Zebrina pendula, is a species of spiderwort more commonly known as an inchplant or wandering jew. The common name is shared with closely related varieties T. fluminensis and T. pallida. Tradescantia zebrina is native to Mexico, Central America and Colombia, and naturalized in parts of Asia, Africa, Australia, South America, and various oceanic islands.