Symphyotrichum nahanniense
Symphyotrichum nahanniense (formerly Aster nahanniensis) is a species of flowering plant in the family Asteraceae endemic to Northwest Territories, Canada.
| Symphyotrichum nahanniense | |
|---|---|
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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. Symphyotrichum |
| Section: | Symphyotrichum sect. Symphyotrichum |
| Species: | S. nahanniense |
| Binomial name | |
| Symphyotrichum nahanniense | |
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| General range of S. nahanniense locations at hot springs within Nahanni National Park Reserve outlined in green.[4] | |
| Synonyms[3] | |
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Description
Commonly known as Nahanni aster, it is a perennial, herbaceous plant that grows about 7 to 39 centimetres (3 to 15 inches) in height. Its flowers have white to pale rose, often becoming rose-violet, ray florets and yellow then reddish disk florets.[5]
Distribution and habitat
The species grows only within Nahanni National Park Reserve and has been found at seven hot mineral springs locations within the Park.[4] A survey conducted in 2019 recorded about 130,000 plants.[6]
Gallery
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Citations
References
- Brouillet, L.; Semple, J.C.; Allen, G.A.; Chambers, K.L.; Sundberg, S.D. (2006). "Symphyotrichum nahanniense". 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 12 July 2021 – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
- Lansdown, R.V. (2017). "Symphyotrichum nahanniense". IUCN Red List of Threatened Species. 2017. doi:10.2305/IUCN.UK.2017-3.RLTS.T80606887A80958667.en. ISSN 2307-8235. Retrieved 3 August 2021.
- NatureServe (2 July 2021). "Symphyotrichum nahanniense Nahanni Aster". explorer.natureserve.org. Arlington, Virginia. Retrieved 12 July 2021.
- Parks Canada (2021). Management Plan for the Nahanni Aster (Symphyotrichum nahanniense) in Canada (Report). Species at Risk Act Management Plan Series. Catalogue no. En3-5/115-2021E-PDF. Ottawa. ISBN 978-0-660-38590-7. Archived from the original on 31 August 2021. Retrieved 31 August 2021.
- POWO (2019). "Symphyotrichum nahanniense (Cody) Semple". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 12 July 2021.
- Pressman, N. (24 July 2021). "Parks Canada Takes Steps to Protect Rare Flower Found Only in N.W.T. Park Reserve". www.cbc.ca. CBC News. Archived from the original on 24 July 2021. Retrieved 24 July 2021.
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