Conopholis americana (L.) Wallr.
American cancer-root, Squawroot
Orobanchaceae (Broom-Rape Family)
Synonym(s): Orobanche americana
USDA Symbol: coam
This plant resembles a pinecone as it becomes dry and brown with age. A parasite, it gets its nourishment from the roots of oaks, its host trees. A closely related species, Alpine Squawroot (C. alpina), occurs from the southwestern United States down to Oaxaca in southern Mexico.
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Bloom InformationBloom Color: Yellow
Bloom Time: May , Jun
DistributionUSA: AL , CT , DC , DE , FL , GA , IA , IL , IN , KY , MA , MD , ME , MI , MS , NC , NH , NJ , NY , OH , PA , RI , SC , TN , VA , VT , WI , WV
Native Distribution: Manitoba east to Nova Scotia, south to Florida, west to Mississippi, and north to Illinois, Iowa, and Wisconsin.
Native Habitat: Woods, under oaks.
BenefitConspicuous Flowers: yes
Recommended Species Lists
Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.View Recommended Species page
Additional resourcesUSDA: Find Conopholis americana in USDA Plants
FNA: Find Conopholis americana in the Flora of North America (if available)
Google: Search Google for Conopholis americana
MetadataRecord Modified: 2012-08-25
Research By: TWC Staff