Definition: Isolembidium is a genus of flowering plants in the family Asteraceae, which includes over 3,600 species and is one of the largest genera in the order Poales. These plants are native to tropical regions around the world, including Asia, Africa, Australia, and North America. They are known for their colorful flowers with vibrant colors, often featuring a variety of floral arrangements, such as inflorescences, peduncles, or terminal spikes.