Orchidaceae

Large whorled pogonia

Isotria verticillata (Muhl. ex Willd.) Raf.

Family: Orchidaceae
Genus: Isotria

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Large whorled pogonia: Isotria verticillata 20100426.3 Great Smoky Mountains, NC — Photo: Jason Hollinger, CC BY 2.0, from Wikimedia Commons

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Common names

By language (2)

English: Large whorled pogonia
French: Isotrie verticillée, Sotria verticillata

Synonyms

Arethusa verticillata Muhl. ex Willd.
Odonectis verticillata (Muhl. ex Willd.) Raf.
Pogonia verticillata (Muhl. ex Willd.) Nutt.
Pogonia verticillata var. medeoloides Eaton

Characteristics

Growth habit: Forb/herb
Lifespan: Perennial
In the US and Canada: Canada: native, Lower 48 states: native

Photos

Photo: Jason Hollinger, CC BY 2.0, from Wikimedia Commons
Photo: Choess, CC BY-SA 3.0, from Wikimedia Commons
Photo: Judy Gallagher, CC BY 2.0, from Wikimedia Commons
Photo: Judy Gallagher, CC BY 2.0, from Wikimedia Commons
Photo: Allefant, CC BY-SA 4.0, from Wikimedia Commons

More in Isotria

Small whorled pogoniaIsotria medeoloidesOrchidaceae

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.