Overview

Comprehensive Description

Platanthera blephariglottis (Willd.) Lindl.

Ecological interactions

Conservation status

W1; S3?, G4G5.

Distribution

Wet pine savannas (SPS-RF).

Notes

Rare. Jul–Sep . Thornhill 1521 (NCSC). Specimens seen in the vicinity: Highway 50: Wilbur 9425 (DUKE!); Sandy Run: Taggart SARU 424 (WNC!). [< Habenaria blephariglottis (Willd.) Hook. var. blephariglottis sensu RAB; = Platanthera blephariglottis (Willd.) Lindl. var. blephariglottis sensu FNA; = Weakley]

  • Thornhill, Robert, Krings, Alexander, Lindbo, David, Stucky, Jon (2014): Guide to the Vascular Flora of the Savannas and Flatwoods of Shaken Creek Preserve and Vicinity (Pender & Onslow Counties, North Carolina, U. S. A.). Biodiversity Data Journal 2, 1099: 1099-1099, URL:http://dx.doi.org/10.3897/BDJ.2.e1099
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Plazi

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Distribution

National Distribution

Canada

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

United States

Origin: Unknown/Undetermined

Regularity: Regularly occurring

Currently: Unknown/Undetermined

Confidence: Confident

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Global Range: Newfoundland to New Jersey inland to southern Ontario and Michigan.

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Physical Description

Morphology

Description

Plants 8–110 cm. Leaves 2–several, spreading to ascending, scattered along stem, rather abruptly to gradually reduced distally; blade linear-lanceolate, ovate-lanceolate, elliptic-lanceolate, 5–35 × 1–5 cm. Spikes dense to rather lax. Flowers resupinate, showy, white; lateral sepals reflexed; petals linear to oblanceolate, apex fringed to nearly entire; lip reflexed to porrect, without basal thickening, ovate-oblong to oblong-elliptic, rarely quad-rangular-suborbiculate, margin fringed; spur essentially cylindric, slender; rostellum lobes curving forward, slightly spreading, angular-elongate; pollinaria with stalks curved forward; pollinia remaining enclosed in anther sacs; viscidia elliptic-suborbiculate to orbiculate; ovary slender, 10–28 mm.
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Diagnostic Description

Synonym

Orchis blephariglottis Willdenow, Sp. Pl. 4(1): 9. 1805; Habenaria blephariglottis (Willdenow) Hooker
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Ecology

Habitat

Comments: In full sun or semi-shade in damp acidic situations, especially sphagnum, cranberry or tamarack bogs.

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Associations

Flower-Visiting Insects of White-Fringed Orchid in Illinois

Platanthera blephariglottis (White-Fringed Orchid)
(all insects suck nectar; observations are from Smith & Snow and Luer)

Bees (long-tongued)
Apidae (Apinae): Apis mellifera sn (SS); Apidae (Bombini): Bombus sp. sn (SS)

Butterflies
Nymphalidae: Danaus plexippus sn (SS), Speyeria atlantis sn (Lu); Papilionidae: Papilio troilus sn (SS)

Skippers
Hesperiidae: Polites mystic sn (Lu)

Moths
Sphingidae: Darapsa versicolor sn (SS), Hemaris thysbe sn (SS), Hyles lineata sn (SS), Manduca quinqemaculata sn (SS); Noctuidae: Agrotis sp. sn (SS)

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Molecular Biology and Genetics

Molecular Biology

Statistics of barcoding coverage: Platanthera blephariglottis

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 0
Specimens with Barcodes: 3
Species With Barcodes: 1
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Conservation

Conservation Status

National NatureServe Conservation Status

Canada

Rounded National Status Rank: NNR - Unranked

United States

Rounded National Status Rank: NNR - Unranked

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NatureServe Conservation Status

Rounded Global Status Rank: G4 - Apparently Secure

Reasons: Widespread in the eastern U.S. yet occurs in specialized habitat.

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Threats

Comments: Somewhat threatened by land-use conversion, habitat fragmentation, and forest management practices (Southern Appalachian Species Viability Project 2002). Other threats include alteration of water supply, over-shading by woody growth, horticultural collection.

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Wikipedia

Platanthera blephariglottis

Platanthera blephariglottis, commonly known as the White-fringed Orchid or White-fringed Orchis, is a species of orchid of the genus Platanthera. It is considered to be an endangered species in Connecticut and Ohio, a threatened species in Florida, Maryland and Rhode Island, exploitably vulnerable in New York,[6] and susceptible to be threatened in Québec.

Platanthera is a Greek word that means "flat" and "flower" for this use it means "wide or flat anthered", blephariglottis from blepharis which means "eyelash" or "fringed" and glottis for "tongue."[7]

Description[edit]

Flowering from late spring until summer, Platanthera blephariglottis is an 8 to 110 centimeters (3 to 43 inches) tall plant that can be found growing in bogs and on the moist banks of lakes and rivers on the eastern side of North America.

Stem and leaves
At least 2 and often several spreading to ascending leaves scattered along the stem. Leaf shapes from linear-lanceolate, ovate-lanceolate and elliptic-lanceolate.[4]
Flowers
Dense to lax spikes of showy white flowers. Lateral sepals bent downward and outward more than 90 degrees. Petals are near entire fringed and the shape is linear and narrows toward the point of attachment.[4]

Distribution[edit]

Often found growing in sphagnum and other acidic moss, in open wet areas in Black Spruce and/or Tamarack bogs or on the boggy shores of lakes and in open wet meadows.[8][9][10]

Native
Nearctic
Eastern Canada: Ontario, Quebec
Northeastern United States: Connecticut, Maine, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont
North-Central United States: Illinois, Missouri, Wisconsin
Southeastern United States: Alabama, Delaware, Florida, Georgia, Louisiana, Maryland, North Carolina, South Carolina, Virginia
South-Central United States: Texas

Sources: NRCS,[6] WSH[11]

See also[edit]

References[edit]

  1. ^ Lindley, John (1835). The Genera and Species of Orchidaceous Plants. Ridgways, Piccadilly. Retrieved 2008-06-03. 
  2. ^ International Organization for Plant Information (IOPI). "Plant Name Search Results" (HTML). International Plant Names Index. Retrieved 2008-06-03. 
  3. ^ "Platanthera blephariglottis (Willd.) Lindl.". Integrated Taxonomic Information System. Retrieved 3 June 2008. 
  4. ^ a b c "25. Platanthera blephariglottis (Willdenow) Lindley". Flora of North America (efloras) 26: Page 552, 564, 567, 568, 569, 571. 
  5. ^ "Habenaria blephariglottis (Willd.) Hook.". Tropicos. Missouri Botanical Garden. Retrieved 2008-06-03. 
  6. ^ a b "Platanthera blephariglottis". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 2008-06-03. 
  7. ^ Robert W. Freckmann Herbarium. "Platanthera blephariglottis". University of Wisconsin, Stevens Point. Retrieved 2008-06-03. 
  8. ^ Intermountain Herbarium Server (USU-UTC) (26 Apr 2007). "Fact Sheet Platanthera blephariglottis (Willd.) Lindl.". Intermountain Herbarium Server (USU-UTC). Utah State University. Retrieved 2008-06-03. 
  9. ^ Goltz, James P. (1996). "Platanthera blephariglottis (Willd.) Lindley". Muskoka Flora. University of Toronto Library. Retrieved 2008-06-03. 
  10. ^ Ann F. Rhoads and Timothy A. Block (4 September 2007). "Eastern prairie fringed-orchid ( Platanthera blephariglottis )" (PDF). Morris Arboretum of the University of Pennsylvania. Retrieved 2008-06-03. 
  11. ^ Wisconsin State Herbarium. "Taxon - Platanthera blephariglottis (Willd.) Lindl.". Wisflora - Vascular Plants. University of Wisconsin, Madison. Retrieved 2008-06-03. [dead link]
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