The term 'tropical shrub' encompasses a variety of plants, including ACACIA, HIBISCUS, Trem and Urena. ACACIA is a genus of shrubs and trees belonging to the subfamily Mimosoideae of the family Fabaceae, native to Africa, Australia, and the Middle East. HIBISCUS is a genus of flowering plants in the mallow family, Malvaceae, native to warm-temperate, subtropical and tropical regions throughout the world. Trem is a genus of flowering plants in the family Urticaceae, native to tropical regions of the Americas. Urena is a genus of flowering plants in the mallow family, Malvaceae, native to tropical regions of the Americas. All of these plants are considered tropical shrubs and can be found in warm climates around the world.