Platanthera flava var. herbiola
Tubercled rein-orchid Taxonomy
Synonyms: Platanthera flava var. herbiola, Habenaria flava var. herbiola, Platanthera flava herbiola Subspecific taxa: Classification:
Other taxonomic & nomenclature sources: USDA Plants;  ITIS;  The Plant List;  IPNI Images
   
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Species Distribution
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County Map Legend
Absent: Not known from county Medium confidence: Medium or unknown confidence; often old records or unverifiable observations Medium-high confidence: Often observations by expert botanists High confidence: Often vouchered herbarium records Planted / introduced: Native species introduced outside historic range, or only in planted locations within county (e.g., restorations) Historic / extirpated: Only historic records for the species; likely extirpated (Note that this category is not yet functional) North American distribution maps for this species: FLNA;  USDA Plants;  BONAP;  BISON
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Species Status
Status/Listing: State threatened Notes:Note that the Endangered/Threatened status of this species treats var. flava and var. herbiola as a single entity, but both are rare and distinct enough from one another to warrant consideration on their own. Origin: Native
Species Description
General: Monocot, perennial Roots: adventitious, stolons, tubers Shoots: alternate leaf arrangment; simple leaf type; entire leaf margin; Parallel leaf venation; oblong leaf shape Inflorescence: spike Flowers: perfect; 3 merous; complete, irregular; green; epigynous ovary position Fruit: capsule Physiology: autotrophic; C3 C02 fixation Reproduction: sexual, vegetative
Ecology & Natural History
Habitat: margins of swales or on lowflats; full sun or light shade; Possibly also low or level woods in valleys bordering streams and swamps; in swales of river bottom prairies; marshy meadows; wooded floodplains with Acer rubrum, Fraxinus americana, Quercus bicolor, Ulmus americana; peaty meadows. ILPIN Notes: Kurz, D.R. and M.L. Bowles. 1981. Report of the Status of Illinois Plants Potentially Endangered or Threatened in the U.S. Natural Land Institute. Rockford, IL Restricted to northern half of Illinois and St. Clair and Wabash counties. This variety is more northernly and has congested spike with elongate bracts. Does not transplant well. Possible emergency food-tubers and rhizomes. Functional Relationships:
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