The Acanthaceae family, commonly known as the acanthus family, consists of flowering plants primarily found in tropical and subtropical regions. This diverse group includes about 250 genera and over 2,500 species, featuring a variety of growth forms such as herbs, shrubs, and small trees. Many members are characterized by their distinctive, often colorful flowers and opposite leaves. Plants in the Acanthaceae family are important for their ecological roles and ornamental value. Some well-known genera include Acanthus, which is noted for its architectural foliage, and Justicia, which is popular in gardens. Additionally, several species are used in traditional medicine and have cultural significance in various regions.