[mod.L., a. Gr. εὐπατόριον, Agrimonia Eupatorium, so called from Mithridates Eupator (Gr. Εὐπάτωρ), king of Pontus, who first used it.] A genus of the Nat. Order Compositæ, abundant in America; only one species, E. cannabinum, Hemp Agrimony, being British. Also an individual plant of the same.
[1578. Lyte, Dodoens, xxxix. 57. Agrimonie is called … in Latine Eupatorium, and Hepatorium: in shoppes Agrimonia.] Ibid., I. xl. 59. The male Bastarde Agrimonie, is called in Shoppes Eupatorium.
1664. Evelyn, Kal. Hort. (1729), 219. September … Flowers in Prime or yet lasting … Eupatorium of Canada.
1741. Compl. Fam. Piece, II. iii. 380. Eupatoriums, Asphodels, Phalangiums.
1863. B. Taylor, Han. Thurston, xxv. 332. Late-flowering grasses … and the eupatoriums in the meadows.
