Amerorchis rotundifolia - (Banks ex Pursh) Hulten
Roundleaf Orchis
Other English Common Names: Roundleaf Orchid, Small Round-leaved Orchid
Other Common Names: roundleaf orchid
Synonym(s): Galearis rotundifolia (Banks ex Pursh) R.M. Bateman ;Orchis rotundifolia Banks ex Pursh
Taxonomic Status: Accepted
Related ITIS Name(s): Amerorchis rotundifolia (Banks ex Pursh) Hultén (TSN 43487)
French Common Names: orchis à feuille ronde
Unique Identifier: ELEMENT_GLOBAL.2.127910
Element Code: PMORC01010
Informal Taxonomy: Plants, Vascular - Flowering Plants - Orchid Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Monocotyledoneae Orchidales Orchidaceae Amerorchis
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Concept Reference
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Concept Reference: Kartesz, J.T. 1994. A synonymized checklist of the vascular flora of the United States, Canada, and Greenland. 2nd edition. 2 vols. Timber Press, Portland, OR.
Concept Reference Code: B94KAR01HQUS
Name Used in Concept Reference: Amerorchis rotundifolia
Taxonomic Comments: Sometimes treated as Orchis rotundifolia, especially in older references. Kartesz checklist (1994) treats in the genus Amerorchis instead. The taxon now considered in the genus Galearis (Bateman et al 2009).
Conservation Status
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NatureServe Status

Global Status: G5
Global Status Last Reviewed: 16May2016
Global Status Last Changed: 09Feb1984
Ranking Methodology Used: Ranked by inspection
Rounded Global Status: G5 - Secure
Nation: United States
National Status: NNR
Nation: Canada
National Status: N5 (09Jul2015)

U.S. & Canada State/Province Status
United States Alaska (SNR), Idaho (SNR), Maine (S2), Michigan (S1), Minnesota (SNR), Montana (S3), New Hampshire (SH), New York (SX), Vermont (SH), Wisconsin (S1S2), Wyoming (S1)
Canada Alberta (S5), British Columbia (S3S4), Manitoba (S5), New Brunswick (S2), Newfoundland Island (S2), Northwest Territories (SNR), Nunavut (S2), Ontario (S4S5), Quebec (S3), Saskatchewan (S5), Yukon Territory (S4)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Newfoundland to Western Alaska, south to New York, Michigan, Montana and Wyoming (Fertig et al. 1994).

Other NatureServe Conservation Status Information

Distribution
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Global Range: Newfoundland to Western Alaska, south to New York, Michigan, Montana and Wyoming (Fertig et al. 1994).

U.S. States and Canadian Provinces
Color legend for Distribution Map

U.S. & Canada State/Province Distribution
United States AK, ID, ME, MI, MN, MT, NH, NYextirpated, VT, WI, WY
Canada AB, BC, MB, NB, NF, NT, NU, ON, QC, SK, YT

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
ME Aroostook (23003), Piscataquis (23021)
MI Chippewa (26033), Delta (26041), Dickinson (26043)*, Emmet (26047), Keweenaw (26083), Marquette (26103)*, Menominee (26109)*, Oscoda (26135), Schoolcraft (26153)
MT Flathead (30029), Glacier (30035), Lake (30047), Lewis and Clark (30049), Lincoln (30053), Pondera (30073), Powell (30077), Teton (30099)
NH Carroll (33003)*, Coos (33007)*, Grafton (33009)*
NY Herkimer (36043)*, Lewis (36049)*, Oneida (36065)*, Otsego (36077)*
VT Addison (50001)*, Orleans (50019)*
WI Ashland (55003)*, Bayfield (55007), Door (55029), Florence (55037), Forest (55041), Marathon (55073), Oconto (55083), Ozaukee (55089)*, Sawyer (55113), Washburn (55129)*, Washington (55131)*
WY Park (56029)
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
01 Upper St. John (01010001)+, Allagash (01010002)+, Fish (01010003)+, Aroostook (01010004)+, Meduxnekeag (01010005)+*, Piscataquis (01020004)+, Upper Androscoggin (01040001)+*, Lower Androscoggin (01040002)+*, Saco (01060002)+*, Upper Connecticut (01080101)+*
02 Mohawk (02020004)+*, Upper Susquehanna (02050101)+*
04 Beartrap-Nemadji (04010301)+*, Bad-Montreal (04010302)+, Dead-Kelsey (04020105)+*, Manitowoc-Sheboygan (04030101)+*, Door-Kewaunee (04030102)+, Oconto (04030104)+, Brule (04030106)+, Menominee (04030108)+, Tacoosh-Whitefish (04030111)+, Wolf (04030202)+, Milwaukee (04040003)+*, Boardman-Charlevoix (04060105)+*, Manistique (04060106)+, Carp-Pine (04070002)+, Cheboygan (04070004)+, Thunder Bay (04070006)+, Oneida (04140202)+*, Black (04150101)+*, Lake Champlain (04150408)+*, St. Francois River (04150500)+*
07 Namekagon (07030002)+
09 St. Marys (09040001)+
10 Upper Missouri-Dearborn (10030102)+, Sun (10030104)+, Two Medicine (10030201)+, Teton (10030205)+, Milk Headwaters (10050001)+, Clarks Fork Yellowstone (10070006)+
17 Upper Kootenai (17010101)+, South Fork Flathead (17010209)+, Stillwater (17010210)+, Swan (17010211)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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General Description: Round-leaved Orchis is a glabrous, rhizomatous perennial with a single sub-basal leaf and a stem 10-20 cm tall. Leaf is elliptic to orbicular with a rounded tip, and is up to 10 cm long. The few to several flowers terminate the stem in a narrow inflorescence. There are 3 white to pale pink sepals. The upper is hood-shaped, 6-10 mm long, and slightly larger than the lateral ones; the 2 upper petals are narrowly lance-shaped. The large, lower petal (lip) is up to 9 mm long, white, spotted with purple, and deeply 3-lobed with a pair of lateral lobes and a notched lower one. The capsule is elliptic and contains thousands of tiny seeds.
Diagnostic Characteristics: This species is easy to recognize by the single leaf and distinctive flower. CALYPSO BULBOSA also has a single leaf but the pink flowers are solitary and much larger.
Economic Attributes Not yet assessed
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Management Summary Not yet assessed
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Population/Occurrence Delineation Not yet assessed
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Population/Occurrence Viability
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U.S. Invasive Species Impact Rank (I-Rank) Not yet assessed
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Authors/Contributors
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Element Ecology & Life History Edition Date: 10Nov1994
Element Ecology & Life History Author(s): KAJ

Botanical data developed by NatureServe and its network of natural heritage programs (see Local Programs), The North Carolina Botanical Garden, and other contributors and cooperators (see Sources).

References
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