Symphyotrichum dumosum
| Symphyotrichum dumosum | |
|---|---|
| |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Subtribe: | Symphyotrichinae |
| Genus: | Symphyotrichum |
| Species: | S. dumosum
|
| Binomial name | |
| Symphyotrichum dumosum (L.) G.L.Nesom
| |
| Synonyms[1] | |
| |
Symphyotrichum dumosum, common names rice button aster[2] or bushy aster,[3] is an herbaceous plant in the aster family. It is native to a widespread area across the eastern half of the United States from Texas to Florida to Maine to Wisconsin. It is also native to New Brunswick and Ontario, and is cultivated in other places.[4]
Symphyotrichum dumosum is a perennial herb up to 100 cm (40 in) tall. Heads are born in paniculiform arrays. Ray flowers are blue, pink, purple or white; disc flowers pale yellow, turning pink with age.[5]
This species was long known as Aster dumosus before it was moved into its current genus due to a phylogenetic analysis. The genus Aster has been narrowed considerably in scope in recent years, due to new information about the relationships of the species in the group.
Varieties
The following 5 varieties are recognized:[1]
- Symphyotrichum dumosum var. dumosum
- Symphyotrichum dumosum var. gracilipes (Wiegand) G.L.Nesom
- Symphyotrichum dumosum var. pergracile (Wiegand) G.L.Nesom
- Symphyotrichum dumosum var. strictior (Torr. & A.Gray) G.L.Nesom
- Symphyotrichum dumosum var. subulifolium (Torr. & A.Gray) G.L.Nesom
Gallery
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Detail of flowering head
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References
- ^ a b "Symphyotrichum dumosum". The Global Compositae Checklist (GCC) – via The Plant List. Note that this website has been superseded by World Flora Online
- ^ USDA, NRCS (n.d.). "Symphyotrichum dumosum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 6 December 2015.
- ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-01-25. Retrieved 2014-10-17.
- ^ Brouillet, Luc; Semple, John C.; Allen, Geraldine A.; Chambers, Kenton L.; Sundberg, Scott D. (2006). "Symphyotrichum dumosum". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). Vol. 20. New York and Oxford: Oxford University Press – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
- ^ G. L. Nesom, Phytologia. 77: 280. 1995.
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