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]
| bluestars | |
|---|---|
| |
| Amsonia tabernaemontana | |
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Gentianales |
| Family: | Apocynaceae |
| Subfamily: | Rauvolfioideae |
| Tribe: | Amsonieae M.E.Endress |
| Genus: | Amsonia Walter[1] |
| Synonyms[2] | |
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- 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
References
edit- ^ "Genus: Amsonia Walter". Germplasm Resources Information Network. United States Department of Agriculture. 2003-03-14. Archived from the original on 2012-10-12. Retrieved 2011-09-23.
- ^ a b c "World Checklist of Selected Plant Families". Retrieved May 21, 2014.
- ^ a b Flora of China Vol. 16 Page 156 水甘草属 shui gan cao shu Amsonia Walter, Fl. Carol. 98. 1788.
- ^ Pringle, James S. (2004). "History and Eponymy of the Genus Name Amsonia (Apocynaceae)". SIDA, Contributions to Botany. 21 (1): 379–387. Retrieved 9 November 2023.
- ^ "Amsonia". Integrated Taxonomic Information System. Retrieved 2011-09-23.
- ^ Biota of North America Program 2013 county distribution maps
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