| Eewilson/Symphyotrichum | |
|---|---|
Scientific classification 
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| Kingdom: | Plantae |
| Clade: | Tracheophytes |
| Clade: | Angiosperms |
| Clade: | Eudicots |
| Clade: | Asterids |
| Order: | Asterales |
| Family: | Asteraceae |
| Tribe: | Astereae |
| Subtribe: | Symphyotrichinae |
| Genus: | Symphyotrichum |
| Subgenus: | Symphyotrichum subg. Astropolium |
| Species: | S. parviflorum
|
| Binomial name | |
| Symphyotrichum parviflorum | |
| |
| Native distribution[1] | |
| Synonyms[1][3] | |
|
Basionym
Alphabetical list
| |
Symphyotrichum parviflorum (formerly Symphyotrichum subulatum var. parviflorum) is an annual and herbaceous plant commonly known as southwestern annual saltmarsh aster.[4] It is native to Mexico, the Caribbean, most of Central America, Equador, and the southwestern United States.
Description edit
Southwestern annual saltmarsh aster usually flowers from July through November, but sometimes into January. It has white, sometimes pink, ray florets surrounding yellow disk florets. As the plant is drying after pollination, each ray floret curls into 1 to 2 coils.[5]
Taxonomy edit
The basionym of Symphyotrichum parviflorum is Aster parviflorus, and it was first described by Christian Gottfried Daniel Nees von Esenbeck ("Nees") in 1818.[2] It can also be known as Symphyotrichum expansum and Symphyotrichum subulatum var. parviflorum.[1]
Distribution and habitat edit
Symphyotrichum parviflorum is native to Mexico, the Caribbean, most of Central America, Equador, and the southwestern United States. It is an introduced species in central Europe.[1] Flora of North America also reports an introduction into Hawaii and Japan. It grows in marshy habitats and roadsides at 0–1,100 meters (0–3,609 feet) (sometimes up to 4,000 m (13,000 ft)), and it is often considered weedy.[5]
Conservation edit
As of December 2021[update], NatureServe gives no global status rank to this plant. It does rank it as Critically Imperiled in Nevada.[6]
Citations edit
- ^ a b c d e f Hassler 2021.
- ^ a b IPNI 2021.
- ^ a b POWO 2021.
- ^ USDA, NRCS 2021.
- ^ a b Brouillet et al. 2006.
- ^ NatureServe 2021.
References edit
- Brouillet, L.; Semple, J.C.; Allen, G.A.; Chambers, K.L.; Sundberg, S.D. (2006). "Symphyotrichum subulatum var. parviflorum". 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 30 December 2021 – via eFloras.
- Hassler, M. (8 December 2021). "Symphyotrichum parviflorum (Nees) Greuter – World Plants: Synonymic Checklists of the Vascular Plants of the World". In Bánki, O.; Roskov, Y.; Döring, M.; Ower, G.; Vandepitte, L.; Remsen, D.; Hobern, D.; Schalk, P.; DeWalt, R.E.; Keping, M.; Miller, J.; Orrell, T.; Aalbu, R.; Adlard, R.; Adriaenssens, E.; Aedo, C.; Aescht, E.; Akkari, N.; Alonso-Zarazaga, M.A.; et al. (eds.). Species 2000 & ITIS Catalogue of Life, 18 December 2021. Leiden, Netherlands: Naturalis Biodiversity Center. ISSN 2405-8858. Retrieved 30 December 2021.
- IPNI (2021). "Aster parviflorus Nees, Syn. Aster. Herb. 29 (1818)". International Plant Names Index (IPNI). Royal Botanic Gardens, Kew; Harvard University Herbaria & Libraries; Australian National Botanic Gardens. Retrieved 30 December 2021.
- NatureServe (6 December 2021). "Symphyotrichum expansum Desert American-aster". explorer.natureserve.org. Arlington, Virginia. Retrieved 30 December 2021.
- POWO (2021). "Symphyotrichum expansum (Poepp. ex Spreng.) G.L.Nesom". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 30 December 2021.
- USDA, NRCS (2021). "Symphyotrichum expansum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 30 December 2021.