Mimosa, also known as "induced grass", is a perennial herb, but it is mostly cultivated as an annual. Its plant type is about 30 to 60 cm high, and its leaves are pinnate and will close when stimulated. It is native to tropical South America and has strong adaptability to the environment.

Mimosa is delicate and has ornamental value. In addition, it is also a medicine, which can be used to treat neurasthenia, traumatic injury and hemoptysis.

Its leaves also have the function of predicting weather changes and earthquakes.