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Amsonia is a genus of flowering plants in the dogbane family, Apocynaceae, first described as a genus in 1788. It is native primarily to North America with one species in East Asia and another in the eastern Mediterranean.[2][3] It was named in honor of the American physician John Amson.[4] Members of the genus are commonly known as bluestars.[5]

Species[2][6][3]
Amsonia ciliata Walter – fringed bluestar – SE US, S Great Plains
Amsonia elliptica (Thunb. ex Murray) Roem.

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