Definition of amsonia
1 capitalized : a genus of herbs (family Apocynaceae) having a milky juice, alternate entire leaves, and showy bluish flowers in terminal cymes, one species (A. tabernaemontana) being common in the southeastern U.S.
2 plural -s : an herb of the genus Amsonia
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Origin and Etymology of amsonia
borrowed from New Latin, from John Amson, flourished 1738–circa 1764 Virginia physician + New Latin -ia 1-ia
First Known Use: 1806
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