Dictionary of Cancer Terms
View in Spanish: Purple coneflower
Purple coneflower (KONE-flow-er)
An herb native to North America that has been used to prevent and treat the common cold and other respiratory infections. Purple coneflower may interfere with treatment that uses the immune system to fight cancer. The scientific names are and . Also called echinacea.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.