eupatorium resinosum

Eupatorium resinosum, or pine barren thoroughwort, is a rare North American plant species in the sunflower family.

Eupatorium resinosum is native to the eastern coastal states of the United States, though with a discontinuous distribution. Some populations grow in the Carolinas, others in New Jersey. It formerly grew in New York and Delaware, but is now apparently extirpated there. There are no reports of the species in Maryland or Virginia in between.Eupatorium resinosum has stems up to 100 cm (40 ...