Platanthera flava
species of plant
Platanthera flava, the southern rein orchid or palegreen orchid, is a species of terrestrial orchid native to eastern North America, from Texas east to Florida, north to Ontario, Quebec and Nova Scotia.
Platanthera flava has from 10 to 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. In Nova Scotia, it occurs in wet meadows on seasonally flooded shorelines with rare shoreline species such as Sabatia kennedyana. In the south, such as in Texas, it is found in wet savannas and flatwoods. 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.
Varieties
Two varieties are recognized:
Platanthera flava var. flava – southern part of species range
Platanthera flava var.
The public source identifies “Platanthera flava” as species of plant. This brief keeps that definition visible, then builds a research path around Platanthera, flava and species.
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Datasets, specimens, observations and peer-reviewed methods provide the appropriate test for the technical claims summarized here. The source revision retrieved here is dated Jul 27, 2026. The linked authority identifier is Q7202172. None of the 0 selected statements returned an explicit reference.
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This entry incorporates text from “Platanthera flava” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.