Neottia convallarioides

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Neottia convallarioides
Listera convallarioides.jpg
Scientific classification edit
Kingdom: Plantae
Clade: Tracheophytes
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Genus: Neottia
Species:
N. convallarioides
Binomial name
Neottia convallarioides
(Sw.) Rich.[1]
Synonyms[1]
  • Epipactis convallarioides Sw.
  • Listera convallarioides (Sw.) Nutt.
  • Serapias convallarioides (Sw.) Steud.
  • Diphryllum convallarioides (Sw.) Kuntze
  • Ophrys convallarioides (Sw.) W.Wight ex House
  • Bifolium convallarioides (Sw.) Nieuwl.
  • Listera convallarioides subsp. euconvallarioides Beauverd

Neottia convallarioides is a species of orchid known by the common names broad-lipped twayblade and broad-leaved twayblade. It was formerly placed in the genus Listera, but molecular phylogenetic studies have shown that Neottia nidus-avis, the bird's-nest orchid, evolved within the same group,[2] and all species of Listera have been moved to Neottia.[3]

Neottia convallarioides is native to much of Canada and in parts of the United States (Alaska, the Great Lakes Region, New England, and the mountains of the West: Rockies, Cascades, Sierra Nevada, etc.). I also reportedly occurs in St. Pierre & Miquelon and on the Komandor Islands in the Bering Sea, part of the Russian Far East.[1][4][5]

Neottia convallarioides is a plant of cool, moist, dim habitat, such as woods and forest, as well as swamps and streambanks. It is a rhizomatous perennial herb growing erect 10 to 35 centimeters tall. It has one pair of green oval leaves each up to 7 centimeters long near the base of the stem. The inflorescence is a small raceme of green or yellow-green flowers, sometimes slightly purple-tinged. Each has usually 3 reflexed lance-shaped sepals, 2 similar petals, and one petal known as the lip, which is longer, wedge-shaped, and notched at the tip. The plant sometimes forms large colonies, creating a groundcover.[6] It is known to hybridize with Neottia auriculata.[6]

References[]

  1. ^ Jump up to: a b c "Neottia convallarioides", World Checklist of Selected Plant Families, Royal Botanic Gardens, Kew, retrieved 2012-04-04
  2. ^ Stace, Clive (2010), New Flora of the British Isles (3rd ed.), Cambridge, UK: Cambridge University Press, ISBN 978-0-521-70772-5, p. 864
  3. ^ "Listera", World Checklist of Selected Plant Families, Royal Botanic Gardens, Kew, retrieved 2012-04-04
  4. ^ Flora of North America v 26 p 590, Broad-leaved twayblade, Listera convallarioides (Swartz) Nuttall ex Elliott, Sketch Bot. S. Carolina. 2: 494. 1823.
  5. ^ Biota of North America Program, 2013 county distribution map, Neottia convallarioides
  6. ^ Jump up to: a b Hoy, J. (2002). Conservation Assessment for Broad-leaved Twayblade (Listera convallarioides). USDA. White Mountain National Forest.

External links[]

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