Liparis loeselii - (L.) L.C. Rich.
Loesel's Twayblade
Other English Common Names: Yellow Wide-lip Orchid
Other Common Names: yellow widelip orchid
Taxonomic Status: Accepted
Related ITIS Name(s): Liparis loeselii (L.) L.C. Rich. (TSN 43623)
Unique Identifier: ELEMENT_GLOBAL.2.146901
Element Code: PMORC1M040
Informal Taxonomy: Plants, Vascular - Flowering Plants - Orchid Family
 
Kingdom Phylum Class Order Family Genus
Plantae Anthophyta Monocotyledoneae Orchidales Orchidaceae Liparis
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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: Liparis loeselii
Conservation Status
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NatureServe Status

Global Status: G5
Global Status Last Reviewed: 30Jun2016
Global Status Last Changed: 16Apr1984
Ranking Methodology Used: Ranked by inspection
Rounded Global Status: G5 - Secure
Reasons: Liparis loeselii is widespread in the northeastern United States, occurring north to Nova Scotia, south to Alabama, and to the midwest. It is rare and disjunct in British Columbia and Washington.
Nation: United States
National Status: NNR
Nation: Canada
National Status: N5 (21May2014)

U.S. & Canada State/Province Status
United States Alabama (S1?), Arkansas (S1), Connecticut (SNR), District of Columbia (SX), Illinois (S1), Indiana (S3), Iowa (S3), Kansas (SH), Kentucky (S2S3), Maine (SNR), Maryland (S1S2), Massachusetts (SNR), Michigan (SNR), Minnesota (SNR), Missouri (S2), Montana (S2), Nebraska (S1), New Hampshire (S2), New Jersey (S4), New York (S4), North Carolina (S1), North Dakota (S2), Ohio (SNR), Pennsylvania (SNR), Rhode Island (S1), South Dakota (S1), Tennessee (S1), Vermont (S3), Virginia (S2), Washington (S1), West Virginia (S3), Wisconsin (SNR)
Canada Alberta (S1), British Columbia (S1), Manitoba (S3S4), New Brunswick (S3), Northwest Territories (SNR), Nova Scotia (S3S4), Ontario (S4S5), Prince Edward Island (S2), Quebec (S3), Saskatchewan (S1S2)

Other Statuses

NatureServe Global Conservation Status Factors

Range Extent Comments: Nova Scotia to Alabama, west very sporadically to Saskatchewan, North Dakota, and Iowa (Washington Natural Heritage Program, 1981). Disjunct in Washington, Klickitat and San Juan Counties (Washington Natural Heritage Program, 1997). In British Columbia, known only from Mara Meadows Ecological Reserve (Douglas, 1989).

Population Size Comments: Rare in southcentral British Columbia (Douglas, 1981). Widespread in northeastern U.S. (Weakley, 1997).

Overall Threat Impact Comments: Somewhat threatened by land-use conversion, habitat fragmentation, and forest management practices; unknown causes of decline appear to be a factor as well (Southern Appalachian Species Viability Project 2002).

Other NatureServe Conservation Status Information

Distribution
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Global Range: Nova Scotia to Alabama, west very sporadically to Saskatchewan, North Dakota, and Iowa (Washington Natural Heritage Program, 1981). Disjunct in Washington, Klickitat and San Juan Counties (Washington Natural Heritage Program, 1997). In British Columbia, known only from Mara Meadows Ecological Reserve (Douglas, 1989).

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

U.S. & Canada State/Province Distribution
United States AL, AR, CT, DCextirpated, IA, IL, IN, KS, KY, MA, MD, ME, MI, MN, MO, MT, NC, ND, NE, NH, NJ, NY, OH, PA, RI, SD, TN, VA, VT, WA, WI, WV
Canada AB, BC, MB, NB, NS, NT, ON, PE, QC, SK

Range Map
No map available.


U.S. Distribution by County Help
State County Name (FIPS Code)
AR Garland (05051)
IA Allamakee (19005)*, Black Hawk (19013), Bremer (19017), Buchanan (19019), Butler (19023), Dickinson (19059)*, Emmet (19063)*, Fayette (19065), Hancock (19081)*, Kossuth (19109)*, Linn (19113), Muscatine (19139)*, Palo Alto (19147)*, Winnebagao (19189)*
IN Lake (18089), Newton (18111)
KY Bell (21013), Clark (21049), Harlan (21095), Jackson (21109), Knott (21119), Lee (21129), Powell (21197), Wolfe (21237)
MD Washington (24043)
MO Bollinger (29017), Butler (29023), Carter (29035), Clark (29045), Crawford (29055), Dent (29065), Laclede (29105), Linn (29115), Madison (29123), Maries (29125), Schuyler (29197), Shannon (29203), St. Louis (29189)*, Wayne (29223)
MT Lake (30047)
NC Alleghany (37005), Avery (37011)*, Dare (37055), Jackson (37099)*, Rutherford (37161)*, Transylvania (37175), Watauga (37189)*
ND Benson (38005), Cavalier (38019)*, Kidder (38043), Pembina (38067)*, Ransom (38073), Stutsman (38093)
NE Blaine (31009), Boone (31011), Brown (31017), Buffalo (31019)*, Cherry (31031), Custer (31041), Garfield (31071)*, Hall (31079)*, Holt (31089)*, Howard (31093)*, Loup (31115)*, Sherman (31163), Thomas (31171)*, Valley (31175)*
NH Belknap (33001)*, Carroll (33003)*, Cheshire (33005)*, Coos (33007), Grafton (33009), Hillsborough (33011)*, Merrimack (33013), Rockingham (33015), Strafford (33017), Sullivan (33019)
RI Kent (44003), Newport (44005), Providence (44007), Washington (44009)*
SD Brookings (46011), Day (46037), Roberts (46109)
TN Carter (47019)*, Coffee (47031), DeKalb (47041), Grundy (47061), Humphreys (47085), Lewis (47101), Roane (47145), Stewart (47161), Unicoi (47171)*, Warren (47177), Wayne (47181)
VA Floyd (51063), Giles (51071), Grayson (51077), Montgomery (51121), Page (51139), Rockingham (51165)*, Scott (51169)*, Shenandoah (51171), Smyth (51173)*, York (51199)
VT Caledonia (50005), Rutland (50021), Windsor (50027)
WA Klickitat (53039)
WV Barbour (54001), Berkeley (54003), Greenbrier (54025), Hampshire (54027), Hardy (54031), Jefferson (54037), Monongalia (54061), Nicholas (54067), Pocahontas (54075), Preston (54077), Randolph (54083)*, Wyoming (54109)*
* Extirpated/possibly extirpated
U.S. Distribution by Watershed Help
Watershed Region Help Watershed Name (Watershed Code)
01 Upper Androscoggin (01040001)+*, Saco (01060002)+*, Piscataqua-Salmon Falls (01060003)+, Merrimack (01070006)+*, Upper Connecticut (01080101)+, Passumpsic (01080102)+, Black-Ottauquechee (01080106)+, Blackstone (01090003)+, Narragansett (01090004)+, Pawcatuck-Wood (01090005)+
02 Cacapon-Town (02070003)+, Conococheague-Opequon (02070004)+, South Fork Shenandoah (02070005)+, North Fork Shenandoah (02070006)+, Shenandoah (02070007)+, York (02080107)+
03 Upper Roanoke (03010101)+, Albemarle (03010205)+, Upper Broad (03050105)+*
04 Otter Creek (04150402)+
05 Tygart Valley (05020001)+, Upper Monongahela (05020003)+, Cheat (05020004)+, Youghiogheny (05020006)+, Upper New (05050001)+, Middle New (05050002)+, Greenbrier (05050003)+, Gauley (05050005)+, Elk (05050007)+, Upper Guyandotte (05070101)+*, North Fork Kentucky (05100201)+, Middle Fork Kentucky (05100202)+, Upper Kentucky (05100204)+, Lower Kentucky (05100205)+, Upper Cumberland (05130101)+, Collins (05130107)+, Caney (05130108)+
06 South Fork Holston (06010102)+*, Watauga (06010103)+*, Upper French Broad (06010105)+, Nolichucky (06010108)+*, Tuckasegee (06010203)+*, Upper Clinch (06010205)+*, Lower Clinch (06010207)+, Upper Elk (06030003)+, Lower Tennessee-Beech (06040001)+, Upper Duck (06040002)+, Lower Duck (06040003)+, Kentucky Lake (06040005)+
07 Upper Minnesota (07020001)+, Lac Qui Parle (07020003)+, Blue Earth (07020009)+*, Upper Iowa (07060002)+*, Copperas-Duck (07080101)+*, Upper Wapsipinicon (07080102)+, Winnebago (07080203)+*, West Fork Cedar (07080204)+, Middle Cedar (07080205)+, Lower Cedar (07080206)+, Upper Des Moines (07100002)+*, East Fork Des Moines (07100003)+*, Bear-Wyaconda (07110001)+, Kankakee (07120001)+, Chicago (07120003)+, Cahokia-Joachim (07140101)+*, Meramec (07140102)+, Whitewater (07140107)+
08 Upper St. Francis (08020202)+, Lower St. Francis (08020203)+, Ouachita Headwaters (08040101)+
09 Upper Sheyenne (09020202)+, Lower Sheyenne (09020204)+, Lower Red (09020311)+*, Lower Pembina River (09020316)+*
10 Apple (10130103)+, Middle Niobrara (10150004)+, Snake (10150005)+*, Lower Niobrara (10150007)+*, Upper James (10160003)+, Middle Big Sioux Coteau (10170201)+, Middle Platte-Prairie (10200103)+*, Upper Middle Loup (10210001)+, Dismal (10210002)+*, Lower Middle Loup (10210003)+, South Loup (10210004)+*, Upper North Loup (10210006)+, Lower North Loup (10210007)+*, Calamus (10210008)+, Loup (10210009)+, Upper Elkhorn (10220001)+*, Little Sioux (10230003)+*, Lower Grand (10280103)+, Upper Chariton (10280201)+, Upper Gasconade (10290201)+, Lower Gasconade (10290203)+
11 Upper Black (11010007)+, Current (11010008)+
17 Swan (17010211)+, Middle Columbia-Hood (17070105)+*, Klickitat (17070106)+
+ Natural heritage record(s) exist for this watershed
* Extirpated/possibly extirpated
Ecology & Life History
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General Description: Loesel's Twaydlade is a glabrous, herbaceous perennial with naked stems that are up to 15 cm high arising from a bulb-like base. The two nearly erect, narrowly elliptic basal leaves are 5-15 cm long and have a broad petiole and a thickened midrib. Several flowers are borne on short stalks at the tops of the stem. Each white to greenish flower has 3 narrowly lance-shaped sepals that are 5-7 mm long, 2 nearly linear petals, and a strap-shaped lip petal that is 4-5 mm long and narrowed at the base. The petals and sepals are united together at the top of the curved, club-shaped ovary. The fruit is a narrowly elliptic capsule with numerous dust-like seeds.
Diagnostic Characteristics: L. LOESELII might be confused with species of HABENARIA, but flowers of the latter have a tubular spur and lack a short stalk. In addition, HABENARIA species that occur in our fens have leafy stems. Species of LISTERA usually do not occur in fens, and their two leaves are attached to the stem rather than being basal.
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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NatureServe Conservation Status Factors Edition Date: 19May1998
NatureServe Conservation Status Factors Author: GRIES, D
Element Ecology & Life History Edition Date: 06Nov1994
Element Ecology & Life History Author(s): JM

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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  • Douglas, G.W., G.B. Straley, and D. Meidinger. 1989. The vascular plants of British Columbia. Part 1. Gymnosperms and Dicotyledons (Asteraceae through Cucurbitaceae). Crown Publications Incorporated. Victoria, British Columbia, Canada. 208 pp.

  • 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.

  • Southern Appalachian Species Viability Project. 2002. A partnership between the U.S. Forest Service-Region 8, Natural Heritage Programs in the Southeast, NatureServe, and independent scientists to develop and review data on 1300+ regionally and locally rare species in the Southern Appalachian and Alabama region. Database (Access 97) provided to the U.S. Forest Service by NatureServe, Durham, North Carolina.

  • Washington Natural Heritage Program. 1981. An illustrated guide to the endangered, threatened and sensitive vascular plants of Washington. Washington Natural Heritage Program, Olympia. 328 pp.

  • Washington Natural Heritage Program. 1997. Endangered, Threatened and Sensitive Vascular Plants of Washington - with Working Lists of Rare Non-Vascular Species. Department of Natural Resources. Olympia. 62 p.

  • Weakley, A.S. 1997. Flora of the Carolinas and Virginia: working draft of 21 July 1997. The Nature Conservancy, Southeast Regional Office, Southern Conservation Science Dept., Chapel Hill, North Carolina.

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