Dragon's mouth

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Dragon's mouth orchid
Arethusa bulbosa, Black Fen.jpg
Taken Pancake Bay, Ontario
Scientific classification edit
Kingdom: Plantae
Clade: Angiosperms
Clade: Monocots
Order: Asparagales
Family: Orchidaceae
Subfamily: Epidendroideae
Tribe: Arethuseae
Genus: Arethusa
A. bulbosa
Binomial name
Arethusa bulbosa
  • Arethusa bulbosa f. albiflora E.L.Rand & Redfield
  • Arethusa bulbosa f. subcaerulea E.L.Rand & Redfield

Arethusa bulbosa, commonly called dragon's mouth orchid,[3] is the only species in the orchid genus Arethusa.[2] The genus is named after a naiad of Greek mythology.[4] This monotypic genus is abbreviated Aret in trade journals.

This terrestrial and rare orchid occurs Eastern North America from Manitoba east to Newfoundland and St. Pierre & Miquelon south to Virginia, with isolated populations in northern Saskatchewan and in the Carolinas.[2][5][6] It occurs in bogs, swamps and other wet lowlands. It grows to a height of 15 cm. It forms a large, single, pink terminal flower, with a showy lip and white and yellow fringed crests.[1]



  1. ^ a b Justice, William S.; Bell, C. Ritchie; Lindsey, Anne H. (2005). Wild Flowers of North Carolina (2. printing. ed.). Chapel Hill, NC: Univ. of North Carolina Press. p. 52. ISBN 0807855979.
  2. ^ a b c Kew World Checklist of Selected Plant Families, Arethusa bulbosa
  3. ^ Voitk, A & M. (2006). Orchids on the Rock: The Orchids of Newfoundland. Rocky Harbour, NL: Gros Morne Co-operating Association.
  4. ^ University of Wisconsin, Orchids of Wisconsin, Arethusa bulbosa
  5. ^ Flora of North America v 26 p 597, Arethusa bulbosa
  6. ^ "Arethusa bulbosa". County-level distribution map from the North American Plant Atlas (NAPA). Biota of North America Program (BONAP). 2014.

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