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Coeloglossum viride

Frog orchid or
long-bracted orchid
Dactylorhiza viridis (flowers).jpg
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Orchidoideae
Genus: Coeloglossum
Hartm.
Species: C. viride
Binomial name
Coeloglossum viride
(L.) Hartm.
Synonyms
  • Dactylorhiza viridis (L.) R.M.Bateman, Pridgeon & M.W.Chase
  • Satyrium viride L.
  • Orchis viridis (L.) Crantz
  • Habenaria viridis (L.) R.Br. in W.T.Aiton
  • Gymnadenia viridis (L.) Rich.
  • Sieberia viridis (L.) Spreng.
  • Entaticus viridis (L.) Gray
  • Chamorchis viridis (L.) Dumort.
  • Platanthera viridis (L.) Lindl.
  • Himantoglossum viride (L.) Rchb.
  • Peristylus viridis (L.) Lindl.

Coeloglossum is a genus of orchids. It has long been considered to have only one species, Coeloglossum viride, the frog orchid. Some recent classifications regard Coeloglossum as part of the larger genus, Dactylorhiza, so that C. viride becomes Dactylorhiza viridis. Other sources continue to keep Coeloglossum viride separate.

Under either name, the species has a wide distribution across the cooler parts of the Northern Hemisphere, covering much of Europe, non-tropical Asia (Russia, Japan, China, the Himalayas, etc.), much of Canada and parts of the United States (Alaska, Northeast, the Appalachians, Great Lakes Region, Northern Great Plains, and Rocky Mountains). It is typically found growing in moist, rich soil in wet meadows, moist or wet deciduous woods and thickets, and is frequently found on steep slopes.

The generic name Coeloglossum is derived from the Greek koilos glossum meaning "hollow tongue", referring to the hollow spur on the tongue-like labellum.

Plant arises from fleshy, forked roots and ranges in height from 10–55 cm. The leaves of C. viride are 5–14 cm long and 2–7 cm wide; leaves at the base of the orchid are obovate to elliptical, while leaves higher on the stem become lanceolate. Two to six leaves are found on one plant, and leafing is alternate.


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Wikipedia

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