👉 Enneapetalous refers to a species of plant in the family Apocynaceae. The specific name "ennea" means "twice" and "petalous" means "woolly". These names are derived from the Latin words "enneagium" (twice) and "petalum" (woolen). Ennea is often used to describe a species of plant that has both flowers and bark or scales, such as the woolly mammoth.