It was formerly classified in the genus "Eupatorium". The larvae feed on "Eupatorium", oak, peach and willow. "Ageratina" used to belong to the genus "Eupatorium", but it has been reclassified. The antibacterial Eupatorium glandulosum is found here. Adults have been recorded feeding on nectar from "Eupatorium" flowers. The plant grows tall, making it one of the shorter "Eupatorium" species. Weeds identified in the estate are "Eupatorium" and "Artemisia" and other secondary growth. "Eupatorium cannabinum" contains tumorigenic pyrrolizidine alkaloids. "Eupatorium perfoliatum" is a specific butterfly food and habitat plant. "Eupatorium" are grown as ornamental plants, in particular in Asia. The larvae feed on "Eupatorium cannabinum", "Inula conyza" and "Pulicaria dysenterica". "Eupatorium perfoliatum" grows up to tall, with leaves that clasp the stems. "Eupatorium cannabinum" is a perennial herb up to tall or more and wide. In the burned plots, "Melastoma malabathricum, Eupatorium inulaefolium, Ficus" sp., and "Vitex pinnata".