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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 unifolia (Green adder's-mouth orchid)
Cressler, Alan

Malaxis unifolia

Malaxis unifolia Michx.

Green Adder's-mouth Orchid

Orchidaceae (Orchid Family)

Synonym(s): Microstylis unifolia


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

Unifolia is Latin for one leaf, referring to the single leaf of this species.


From the Image Gallery

7 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Leaf Complexity: Simple
Leaf Shape: Ovate
Size Notes: Height 4-10 inches.

Bloom Information

Bloom Color: Green
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep , Oct
Bloom Notes: Flowering Spring to Fall (South to North).


USA: AL , AR , CT , DC , DE , FL , GA , IA , IL , IN , KS , KY , LA , MA , MD , ME , MI , MN , MO , MS , NC , NH , NJ , NY , OH , OK , PA , RI , SC , TN , TX , VA , VT , WI , WV
Canada: NB , NL , NS , PE

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.

Additional resources

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


Record Modified: 2015-05-28
Research By: TWC Staff

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