Meaning of American centaury in English:
American centaury
noun
Any plant of the genus Sabatia (family Gentianaceae), comprising herbaceous plants of North America and the West Indies, typically having pink flowers; especially S. angularis; (in later use also) any North American species of the genus Centaurium.
Plants of the genus Sabatia are now more commonly called marsh pink.
Origin
Early 19th century; earliest use found in Benjamin Barton (1766–1815).
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