Amsonia
Amsonia
Genus of flowering plants
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]
- Amsonia ciliata Walter – fringed bluestar – SE US, S Great Plains
- Amsonia elliptica (Thunb. ex Murray) Roem. & Schult. – Japanese bluestar – China, Japan, Korea
- Amsonia fugatei S.P.McLaughlin – San Antonio bluestar – New Mexico
- Amsonia grandiflora Alexander – Arizona bluestar – Arizona, Sonora, Durango
- Amsonia hubrichtii Woodson – Hubricht's bluestar – Arkansas, Oklahoma
- Amsonia illustris Woodson – Ozark bluestar – Mississippi Valley, also Nevada
- Amsonia jonesii Woodson – Jones' bluestar – Arizona, New Mexico, Utah, Colorado
- Amsonia kearneyana Woodson – Kearney's bluestar – Baboquivari in Pima Co. in Arizona
- Amsonia longiflora Torr. – tubular bluestar – Arizona, New Mexico, Texas, Coahuila
- Amsonia ludoviciana Vail – Louisiana bluestar – Louisiana, Mississippi, Georgia
- Amsonia orientalis Decne. – European bluestar – Greece, Turkey
- Amsonia palmeri A.Gray – Palmer's bluestar – Arizona, New Mexico, Texas, Sonora, Chihuahua
- Amsonia peeblesii Woodson – Peebles' bluestar – Arizona
- Amsonia repens Shinners – creeping bluestar – E Texas, SW Louisiana
- Amsonia rigida Shuttlw. ex Small – stiff bluestar – from Georgia to Louisiana
- Amsonia tabernaemontana Walter – eastern bluestar – S + C + E United States
- Amsonia tharpii Woodson – feltleaf bluestar – W Texas, SE New Mexico
- Amsonia tomentosa Torr. & Frém. – woolly bluestar – SW US; Chihuahua
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