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Platanthera flava
Also called Pale Green Orchid, Southern Rein Orchid, Small Pale Green Orchid, Tubercled Orchid, Tubercled Bog Orchid, Tubercled Rein Orchid, Gypsy Spikes
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.
Platanthera unalascensis · Rein orchid · Green Platanthera · Northern green orchid · Hochstetter's Butterfly Orchid · Platanthera bakeriana · Platanthera bhutanica · Lesser butterfly-orchid · White fringed orchid · Shortflowered bog orchid · Platanthera calceoliformis · Platanthera carnosilabris
Text excerpted from the Wikipedia article Platanthera flava by its contributors, under CC BY-SA 4.0; the excerpts are shared under the same licence.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
