The Trees of the Mimosa Family are commonly known as Acacias, which is a seven-letter word. Acacias are a genus of shrubs and trees belonging to the subfamily Mimosoideae of the family Fabaceae, which is native to Africa, Australia, and the Americas. They are characterized by their bipinnate leaves and globular flower heads. Acacias are widely used in landscaping and horticulture, and some species are used for timber and medicinal purposes.