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Platanthera flava 1392187

Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Monocots
Ordo: Asparagales

Familia: Orchidaceae
Subfamilia: Orchidoideae
Tribus: Orchideae
Subtribus: Orchidinae
Genus: Platanthera
Species: Platanthera flava
Varietates: (2)
P. f. var. flava – P. f. var. herbiola

Platanthera flava (L.) Lindl., Gen. Sp. Orchid. Pl.: 293 (1835)

Orchis flava L., Sp. Pl.: 842 (1753)
Habenaria flava (L.) R.Br. ex Spreng., Syst. Veg. 3: 691 (1826)
Perularia flava (L.) Rydb. in N.L.Britton, Man. Fl. N. States: 292 (1901)
Tulotis flava (L.) Senghas, Orchidee (Hamburg) 24: 97 (1973)

Native distribution areas:

Northern America
Eastern Canada
New Brunswick, Nova Scotia, Ontario, Québec.
North-Central U.S.A.
Illinois, Minnesota, Missouri, Oklahoma, Wisconsin.
Northeastern U.S.A.
Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Islands, Vermont, West Virginia.
South-Central U.S.A.
Southeastern U.S.A.
Alabama, Arkansas, Florida, Georgia, Kentucky, Louisiana, Maryland, Mississippi, North Carolina, South Carolina, Tennessee, Virginia, District of Columbia.

References: Brummitt, R.K. 2001. TDWG – World Geographical Scheme for Recording Plant Distributions, 2nd Edition
Primary references

Lindley, J. 1835 The Genera and Species of Orchidaceous Plants 293.


Govaerts, R. et al. 2019. Platanthera flava in Kew Science Plants of the World online. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2019 September 1. Reference page.
Govaerts, R. et al. 2019. Platanthera flava in World Checklist of Selected Plant Families. The Board of Trustees of the Royal Botanic Gardens, Kew. Published on the internet. Accessed: 2019 September 1. Reference page.
International Plant Names Index. 2019. Platanthera flava. Published online. Accessed: 1 September 2019.
The Plant List 2013. Platanthera flava in The Plant List Version 1.1. Published on the internet. Accessed: 2019 September 1.
Tropicos.org 2019. Platanthera flava. Missouri Botanical Garden. Published on the internet. Accessed: 2019 September 1.

Vernacular names

English: Palegreen orchid

Platanthera flava, the palegreen orchid,[1] is a species of pale-flowered orchid. It is native to eastern North America, from Texas east to Florida, north to Ontario, Quebec and Nova Scotia.[2][3]

Platanthera flava has from 10-40 flowers in an inflorescence. In the north of its range, in Canada, this species is particularly associated with shorelines of lakes and rivers, in the seasonally flooded zone.[4] In Nova Scotia, it occurs in wet meadows on seasonally flooded shorelines with rare shoreline species such as Plymouth Gentian.[5] In the south, such as in Texas, it is found in wet savannas and flatwoods.[6] The shoreline habitats of the north are maintained by ice scour, while in the south, the flatwoods are maintained by recurring fire. Hence, it appears that this species depends upon recurring natural disturbance to maintain open sunny conditions.

Two varieties are recognized:

Platanthera flava var. flava - southern part of species range
Platanthera flava var. herbiola (R. Brown) Luer - northern part of species range


"Platanthera flava". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 7 October 2015.
Sheviak, Charles J. (2002). "Platanthera flava". In Flora of North America Editorial Committee (ed.). Flora of North America North of Mexico (FNA). 26. New York and Oxford – via eFloras.org, Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
"Platanthera flava". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.
Reddoch, J. and Reddoch, A. (1997). The Orchids in the Ottawa district. Canadian Field-Naturalist, 111, 1–185.
Keddy, P.A. 1985. Lakeshore plants in the Tusket River Valley, Nova Scotia: the distribution and status of some rare species including Coreopsis rosea and Sabatia kennedyana. Rhodora 87:309-320.
Liggio, J. and Liggio, A.O. 1999. Wild Orchids of Texas. University of Texas Press, Austin. p.139-141.

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