👉 Cotterellia is a type of flowering plant in the family Asteraceae, native to North America and found in many states. It has two primary types - cotternether (the most common) and cotternorth. These plants are known for their large size, with leaves up to 2 feet long. Cotterellia is characterized by its distinctive flowers, which often have five petals, each slightly larger than the others. The flowers are typically arranged in clusters or on