Spiranthes incurva

Spiranthes incurva, the Sphinx ladies' tresses, is a species of flowering plant in the family Orchidaceae.[1][2] This orchid is native to the upper Midwest and Great Lakes Basin of North America.[1] The species was originally described as Ibidium incurvum Jenn. in 1906.[3][4] Long treated as part of a sensu lato Spiranthes cernua, the species complex was reevaluated and Spiranthes incurva reestablished as a separate species in 2017. Spiranthes incurva is an ancient natural hybrid of S. cernua sensu stricto and S. magnicamporum.[5]

Spiranthes incurva
In Schoolcraft County, Michigan
Scientific classification
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Orchidoideae
Tribe: Cranichideae
Genus: Spiranthes
Species:
S. incurva
Binomial name
Spiranthes incurva
(Jenn.) M.C.Pace
Synonyms[1]

Ibidium incurvum Jenn.

References
  1. "Spiranthes incurva (Jenn.) M.C.Pace". Plants of the World Online. Royal Botanical Gardens Kew. Retrieved 29 August 2020.
  2. "Spiranthes incurva - Species Page". newyork.plantatlas.usf.edu. Retrieved 30 August 2020.
  3. "Spiranthes incurva (Jenn.) M.C.Pace". ipni.org. International Plant Names Index. Retrieved 29 August 2020.
  4. "Ibidium incurvum Jenn". ipni.org. International Plant Names Index. Retrieved 29 August 2020.
  5. Pace, Matthew C.; Cameron, Kenneth M. (27 December 2017). "The Systematics of the Spiranthes cernua Species Complex (Orchidaceae): Untangling the Gordian Knot". Systematic Botany. 42 (4): 640–669. doi:10.1600/036364417x696537.


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