Albizzia is a genus of over 150 species of trees and shrubs in the family Fabaceae. Some common synonyms for albizzia include silk tree, mimosa tree, and persian acacia. Silk tree refers to the feathery, pink flowers that the tree produces, which resemble silk. Mimosa tree is a popular name for this tree in the southern United States, while Persian acacia refers to the Middle Eastern origins of some species. Other synonyms include siris tree, sleep tree, and women's tongues tree. The tree is known for its medicinal properties and has been used in traditional medicine for centuries.