Orchidaceae
Green adder's-mouth orchid
Malaxis unifolia
- Family
- Orchidaceae
- Genus
- Malaxis
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Common names
By language (1)
- English
- Green adder's-mouth orchid
Synonyms
- Achroanthes laxiflora Raf.
- Achroanthes obtusifolia Raf.
- Achroanthes ophioglossoides (Willd.) Raf.
- Achroanthes unifolia (Michx.) Raf.
- Malaxis amplexicolumna E.W.Greenw. & R.González
- Malaxis grisebachiana (Fawc. & Rendle) Fawc. & Rendle
- Malaxis ophioglossoides Muhl. ex Willd.
- Malaxis thlaspiformis A.Rich. & Galeotti
- Malaxis unifolia f. bifolia Mousley
- Malaxis unifolia f. unifolia
- Malaxis unifolia f. variegata Mousley
- Microstylis grisebachiana Fawc. & Rendle
- Microstylis oophioglossoides (Willd.) Nutt. ex Eaton
- Microstylis ophioglossoides (Muhl. ex Willd.) Nutt. ex Eaton
- Microstylis ophioglossoides var. mexicana Lindl.
- Microstylis unifolia (Michx.) Britton, Sterns & Poggenb.
- Microstylis unifolia var. bifolia (Mousley) Marg.
- Orchis ophioglossoides Walter
- Prescottia ophioglossoides (Muhl. ex Willd.) Spreng.
Characteristics
- Growth habit
- Forb/herb
- Lifespan
- Perennial
- In the US and Canada
- Canada: native, Lower 48 states: native, St. Pierre and Miquelon: native
Photos
Photo: NC Orchid from North Carolina, USA, CC BY 2.0, from Wikimedia Commons 
Photo: Rob Routledge, Sault College, Bugwood.org, CC BY 3.0, from Wikimedia Commons 
Photo: Rob Routledge, Sault College, Bugwood.org, CC BY 3.0, from Wikimedia Commons 
Photo: Rob Routledge, Sault College, Bugwood.org, CC BY 3.0, from Wikimedia Commons 
Photo: Rob Routledge, Sault College, Bugwood.org, CC BY 3.0, from Wikimedia Commons 
Photo: Rob Routledge, Sault College, Bugwood.org, CC BY 3.0, from Wikimedia Commons 
Photo: Allefant, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Allefant, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Ayotte, Gilles, 1948-, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Ayotte, Gilles, 1948-, CC BY-SA 4.0, from Wikimedia Commons 
Photo: Allefant, CC BY-SA 4.0, from Wikimedia Commons
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- Bayard's adder's-mouth orchidMalaxis bayardiiOrchidaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.