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Plant Database

Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.

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Malaxis paludosa

Malaxis paludosa (L.) Sw.

Bog Adder's Mouth, Bog Adder's-mouth Orchid, Bog Malaxis, Marsh Malaxis

Orchidaceae (Orchid family)

Synonym(s): Hammarbya paludosa

USDA Symbol: MAPA4

USDA Native Status: L48 (N), AK (N), CAN (N)


From the Image Gallery

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Plant Characteristics

Duration: Perennial
Habit: Herb
Size Notes: Up to about 10 inches tall.

Bloom Information

Bloom Color: Yellow , Green
Bloom Time: Jun , Jul , Aug


Canada: AB , BC , MB , NT , ON , SK , YT
Native Habitat: Terrestrial, growing in a variety of habitats from moist forests to tundra to swamps.

National Wetland Indicator Status

This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1 (Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here for map of regions.

Web Reference

Webref 3 - Flora of North America (2014) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 35 - Go Orchids (2019) North American Orchid Conservation Center (NAOCC)

Additional resources

USDA: Find Malaxis paludosa in USDA Plants
FNA: Find Malaxis paludosa in the Flora of North America (if available)
Google: Search Google for Malaxis paludosa


Record Modified: 2019-06-25
Research By: CBR

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