Orobanchaceae

American cancer-root

Conopholis americana (L.) Wallr.

Family: Orobanchaceae
Genus: Conopholis

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American cancer-root: For more information about this, see the observation page at Mushroom Observer. — Photo: This image was created by user Dan Molter, CC BY-SA 3.0, from Wikimedia Commons

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Common names

By language (2)

English: American cancer-root
French: Conopholis d'Amérique

Synonyms

Orobanche americana L.

Characteristics

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

Photos

Photo: This image was created by user Dan Molter, CC BY-SA 3.0, from Wikimedia Commons
Photo: Fritzflohrreynolds, CC BY-SA 3.0, from Wikimedia Commons
Photo: Katja Schulz from Washington, D. C., USA, CC BY 2.0, from Wikimedia Commons
Photo: Katja Schulz from Washington, D. C., USA, CC BY 2.0, from Wikimedia Commons
Photo: Katja Schulz from Washington, D. C., USA, CC BY 2.0, from Wikimedia Commons
Photo: Katja Schulz from Washington, D. C., USA, CC BY 2.0, from Wikimedia Commons
Photo: James St. John, CC BY 2.0, from Wikimedia Commons
Photo: James St. John, CC BY 2.0, from Wikimedia Commons
Photo: James St. John, CC BY 2.0, from Wikimedia Commons
Photo: James St. John, CC BY 2.0, from Wikimedia Commons
Photo: James St. John, CC BY 2.0, from Wikimedia Commons
Photo: James St. John, CC BY 2.0, from Wikimedia Commons

More in Conopholis

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.