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Onagraceae
Circaea

not marked as a favorite taxon Circaea alpina Linnaeus ssp. alpina. Common name: Alpine Enchanter's-nightshade. Phenology: Jun-Sep. Habitat: Moist organic soil at high elevations (especially in spruce-fir and northern hardwood forests), rocky or gravelly seepages, in spray behind waterfalls, at dripping cliff bases. Distribution: Ssp. alpina is itself circumboreal, in North America ranging from Newfoundland and Labrador (Newfoundland) and Newfoundland and Labrador (Labrador), west to Alaska, south to Maryland, w. North Carolina, e. Tennessee, Kentucky, n. Illinois, Minnesota, Montana, and Washington, disjunct in montane sites southward in the w. United States, such as the Black Hills of South Dakota, and isolated montane sites in Colorado, Arizona, and New Mexico.

Glossary (beta!)

Origin/Endemic status: Native

Taxonomy Comments: C. alpina was treated by Boufford (1983) as a circumboreal complex of six subspecies; we follow this treatment.

Synonymy ⓘ: = Can, FNA10, GrPl, K1, K4, NE, NS, NY, Pa, POWO, Va, Boufford (1983 [1982]), Munz (1965), Wagner, Hoch, & Raven (2007); = Circaea alpina L. var. alpina — C; < Circaea alpina L. — F, G, GW2, Il, Mi, RAB, S, S13, Tn, W, WV. Basionym: Circaea alpina L. 1753

Links to other floras: = Circaea alpina ssp. alpina - FNA10

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Wetland Indicator Status:

  • Atlantic and Gulf Coastal Plain: FACW (name change)
  • Eastern Mountains and Piedmont: FACW (name change)
  • Great Plains: FACW (name change)
  • Midwest: FACW (name change)
  • Northcentral & Northeast: FACW (name change)

Heliophily ⓘ: 3

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image #1 of Circaea alpina ssp. alpina© Arthur Haines | Original Image ⭷
image #2 of Circaea alpina ssp. alpina© Gary P. Fleming | Original Image ⭷
image #3 of Circaea alpina ssp. alpina© Layla Dishman | Original Image ⭷
image #4 of Circaea alpina ssp. alpina© Gary P. Fleming | Original Image ⭷
image #5 of Circaea alpina ssp. alpina© Erik Danielson source | Original Image ⭷

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Horticultural Information

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