Mimosoideae is a subfamily of the Fabaceae family, which includes about 4000 species of flowering plants. Some common synonyms for Mimosoideae are Acacia, Mimosa, Fabaceae, and Leguminosae. Acacias are a type of tree found in tropical and subtropical regions. They have unique leaves that are shaped like a feather, and their flowers are yellow or cream-colored. Mimosa is also a type of flowering tree, but it is often used as a shrub in landscaping. The Fabaceae family is known for its beneficial properties, such as nitrogen fixation and the production of useful products like soybeans. Leguminosae is also used as a synonym for Mimosoideae and is one of the largest families of flowering plants, which includes beans, peanuts, and lentils.