| Symphyotrichum chapmanii | |
|---|---|
| |
| Symphyotrichum chapmanii, Apalachicola National Forest, Florida | |
Scientific classification 
| |
| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Tribe: | Astereae |
| Subtribe: | Symphyotrichinae |
| Genus: | Symphyotrichum |
| Subgenus: | Symphyotrichum subg. Chapmaniana |
| Species: | S. chapmanii
|
| Binomial name | |
| Symphyotrichum chapmanii | |
| |
| Native distribution[3] | |
| Synonyms[2] | |
Symphyotrichum chapmanii (formerly Aster chapmanii and Eurybia chapmanii) is a species of flowering plant in the family Asteraceae native to the Apalachicola River drainage basin of Alabama and Florida.[4] Commonly known as savanna aster, it is a perennial, herbaceous plant that may reach 30 to 80 centimeters (1 to 2+1⁄2 feet) tall. Its flowers have purple to blue-lavender ray florets and pale yellow disk florets. It is a wetland species and is of conservation concern.[5] It may be extirpated in Alabama.[1]
Description
[edit]Savanna aster is a perennial, herbaceous plant that grows from a cespitose root system with rhizomes. It typically reaches heights 30–80 cm (12–31 in) on one to three hairless stems. It has cylinder-bell shaped involucres with green, purple-tipped phyllaries in 4–6 rows on its involucres. It blooms September–December with flower heads that have 8–23 purple to pale bluish-purple ray florets 10–20 mm (0.4–0.8 in) long surrounding 47–57 pale yellow disk florets.[5]
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Flower head from bottom -
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Phyllary detail -
Flower head from top
Citations
[edit]- ^ a b NatureServe 2021.
- ^ a b POWO 2019.
- ^ USDA 2014.
- ^ Semple 2014.
- ^ a b Brouillet et al. 2006.
References
[edit]- Brouillet, L.; Semple, J.C.; Allen, G.A.; Chambers, K.L.; Sundberg, S.D. (2006). "Symphyotrichum chapmanii". 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. Retrieved 14 July 2021 – via eFloras.
- NatureServe (2 July 2021). "Eurybia chapmanii Chapman's Aster". explorer.natureserve.org. Arlington, Virginia. Retrieved 14 July 2021.
- USDA, NRCS (2014). "Eurybia chapmanii". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 29 August 2021.
- POWO (2019). "Symphyotrichum chapmanii (Torr. & A.Gray) Semple & Brouillet". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 14 July 2021.
- Semple, J.C. (28 January 2014). "Symphyotrichum subg. Chapmaniani Chapman's Aster". www.uwaterloo.ca. Ontario. Archived from the original on 15 January 2021. Retrieved 7 August 2021.