Chem. Formerly also eupatorin, and in L. form eupatorina. [f. eupator-ium + -INE4.] (See quot.)
1838. T. Thomson, Chem. Org. Bodies, 294. Eupatorina … is said to have been discovered by M. Righini in the flowers and leaves of the Eupatorium cannabinum, or hemp agrimony.
1882. Watts, Dict. Chem., II. 606 s.v. Eupatorium. The water-hemp, Eupatorium cannabinum, contains, according to Righoni…, an alkaloïd, called eupatorine.
