Distribution

Description

Flowering	spring, summer, fall.
Inflorescence	a spike.
Leaves	one to four; blade lancolate to oblong; bracts reduced distally; bracts frequently ascending.
Flowers	green-yellow, small, inconspicuous; lip margin entire to erose, single  prominent tubercle at base; sepal margins entire.
Spur	terete to club shaped.
Rostellum	lobes oriented downward.
Viscidia	circular to subcircular to quadrangular to irregular.

 

Habitat

Wet prairies, wet swampy woodlands, riparian floodplains.

Conservation and Wetland Status

Threatened and Endangered Status

State	Status
Arkansas	Threatened
Connecticut	Special Concern
Florida	Threatened
Illinois	Endangered
Indiana	Endangered
Iowa	Endangered
Maine	Special Concern
Massachusetts	Threatened
New Hampshire	Threatened
New Jersey	Endangered
New York	Exploitably Vulnerable
Ohio	Potenially Threatened
Rhode Island	Endangered
Tennessee	Threatened, Special Concern
Vermont	Threatened
Wisconsin	Threatened

Wetland Indicator Status 

Facultative Wetland +

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Synonyms

Orchis flava Linnaeus, Sp. Pl. 2: 942. 1753; Habenaria flava (Linnaeus) R. Brown;

Perularia scutellata (Nuttall) Small

Author and publication information for name

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

Vernacular names

Pale Green rchid

Rein Orchid

Tubercled Orchid

Link to Interactive Platanthera key

http://utc.usu.edu/keys/Platanthera/Platanthera.html

References

C. J. Sheviak  (2003). Flora of North America, Magnoliophyta: Liliidae: Liliales and Orchidales. Vol. 26:496-571. Oxford University Press.

U.S. Department of Agriculture. PLANTS Database. http://plants.usda.gov/index.html. Accessed primarily in July 2006.