''Arethusa bulbosa'', commonly called dragon's mouth orchid, is the only

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

in the

orchid Orchids are plants that belong to the family Orchidaceae (), a diverse and widespread group of flowering plants with blooms that are often colourful and fragrant. Orchids are cosmopolitan plants that are found in almost every habitat on Eart ...

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

''Arethusa''. The genus is named after a

naiad In Greek mythology, the naiads (; ), sometimes also hydriads, are a type of female spirit, or nymph, presiding over fountains, wells, springs, streams, brooks and other bodies of fresh water. They are distinct from river gods, who embodied ...

Greek mythology Greek mythology is the body of myths originally told by the Ancient Greece, ancient Greeks, and a genre of ancient Greek folklore, today absorbed alongside Roman mythology into the broader designation of classical mythology. These stories conc ...

. This

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...

genus is abbreviated Aret in trade journals. This terrestrial and rare orchid occurs in Eastern North America from

Manitoba Manitoba is a Provinces and territories of Canada, province of Canada at the Centre of Canada, longitudinal centre of the country. It is Canada's Population of Canada by province and territory, fifth-most populous province, with a population ...

east to

Newfoundland Newfoundland and Labrador is the easternmost province of Canada, in the country's Atlantic region. The province comprises the island of Newfoundland and the continental region of Labrador, having a total size of . As of 2025 the population ...

and St. Pierre & Miquelon south to

Virginia Virginia, officially the Commonwealth of Virginia, is a U.S. state, state in the Southeastern United States, Southeastern and Mid-Atlantic (United States), Mid-Atlantic regions of the United States between the East Coast of the United States ...

, with isolated populations in northern

Saskatchewan Saskatchewan is a Provinces and territories of Canada, province in Western Canada. It is bordered on the west by Alberta, on the north by the Northwest Territories, on the east by Manitoba, to the northeast by Nunavut, and to the south by the ...

and in the

Carolinas The Carolinas, also known simply as Carolina, are the U.S. states of North Carolina and South Carolina considered collectively. They are bordered by Virginia to the north, Tennessee to the west, and Georgia (U.S. state), Georgia to the southwes ...

.Kew World Checklist of Selected Plant Families, ''Arethusa bulbosa''
/ref> It occurs in

bog A bog or bogland is a wetland that accumulates peat as a deposit of dead plant materials often mosses, typically sphagnum moss. It is one of the four main types of wetlands. Other names for bogs include mire, mosses, quagmire, and musk ...

swamp A swamp is a forested wetland.Keddy, P.A. 2010. Wetland Ecology: Principles and Conservation (2nd edition). Cambridge University Press, Cambridge, UK. 497 p. Swamps are considered to be transition zones because both land and water play a role in ...

s and other wet lowlands. It grows to a height of 15 cm. It forms a large, single, pink terminal

flower Flowers, also known as blooms and blossoms, are the reproductive structures of flowering plants ( angiosperms). Typically, they are structured in four circular levels, called whorls, around the end of a stalk. These whorls include: calyx, m ...

, with a showy lip and white and yellow fringed crests.

Gallery

Arethusa bulbosa, Dragon's mouth Orchid, Western Pond.jpg, Western Brook Pond Trail,

Gros Morne National Park Gros Morne National Park is a Canadian national park and World Heritage Site located on the west coast of Newfoundland. At , it is the second largest national park in Atlantic Canada after Torngat Mountains National Park, which has an area o ...

Newfoundland and Labrador Newfoundland and Labrador is the easternmost province of Canada, in the country's Atlantic region. The province comprises the island of Newfoundland and the continental region of Labrador, having a total size of . As of 2025 the populatio ...

Arethusa bulbosa BB-1913.jpg, Drawing from Britton, N.L., and A. Brown. (1913). ''Illustrated flora of the northern states and Canada.'' Arethusa_bulbosa, Waterloo, Mich.jpg,

Waterloo State Recreation Area Waterloo State Recreation Area is the third-largest park in Michigan, encompassing over of forest, lakes and wetlands. Located in northeast Jackson County and parts of Washtenaw County, the park is the largest in the Lower Peninsula of Michig ...

Michigan Michigan ( ) is a peninsular U.S. state, state in the Great Lakes region, Great Lakes region of the Upper Midwest, Upper Midwestern United States. It shares water and land boundaries with Minnesota to the northwest, Wisconsin to the west, ...

References

External links

*
Wildflowers of Connecticut, Connecticut Botanical Society

Minnesota WildflowersLady Bird Johnson Wildflower Center, University of Texas
{{Taxonbar, from=Q15111652 Arethusinae Orchids of Canada Orchids of the United States Flora of Eastern Canada Flora of the Northeastern United States Flora of the Southeastern United States Plants described in 1753