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.
From the Image Gallery
Plant CharacteristicsDuration: Perennial
Fruit Type: Capsule
Size Notes: Up to about 8 inches tall.
Bloom InformationBloom Color: Yellow
Bloom Time: Feb , Mar , Apr , 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
Web ReferenceWebref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
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: 2023-04-25
Research By: TWC Staff