Amsonia

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.

Contents

• Amsonia garden plants
• Bluestar amsonia
• References

Amsonia is named in honor of the American physician John Amson. Members of the genus are commonly known as bluestars.

1. Amsonia ciliata Walter – Fringed Bluestar - SE US, S Great Plains
2. Amsonia elliptica (Thunb. ex Murray) Roem. & Schult. – Japanese Bluestar - China, Japan, Korea
3. Amsonia fugatei S.P.McLaughlin – San Antonio Bluestar - New Mexico
4. Amsonia grandiflora Alexander – Arizona Bluestar - Arizona, Sonora, Durango
5. Amsonia hubrichtii Woodson – Hubricht's Bluestar - Arkansas, Oklahoma
6. Amsonia illustris Woodson – Ozark Bluestar - Mississippi Valley, also Nevada
7. Amsonia jonesii Woodson – Jones' Bluestar - Arizona, New Mexico, Utah, Colorado
8. Amsonia kearneyana Woodson – Kearney's Bluestar - Baboquivari in Pima Co. in Arizona
9. Amsonia longiflora Torr. – Tubular Bluestar - Arizona, New Mexico, Texas, Coahuila
10. Amsonia ludoviciana Vail – Louisiana Bluestar - Louisiana, Mississippi, Georgia
11. Amsonia orientalis Decne. – European Bluestar - Greece, Turkey
12. Amsonia palmeri A.Gray – Palmer's Bluestar - Arizona, New Mexico, Texas, Sonora, Chihuahua
13. Amsonia peeblesii Woodson – Peebles' Bluestar - Arizona
14. Amsonia repens Shinners – Creeping Bluestar - E Texas, SW Louisiana
15. Amsonia rigida Shuttlw. ex Small – Stiff Bluestar - from Georgia to Louisiana
16. Amsonia tabernaemontana Walter – Eastern Bluestar - S + C + E United States
17. Amsonia tharpii Woodson – Feltleaf Bluestar - W Texas, SE New Mexico
18. Amsonia tomentosa Torr. & Frém. – Woolly Bluestar - SW US; Chihuahua