Echinacea is a genus of herbaceous plants in the daisy family (Asteraceae) that is native to North America. The most commonly used species for medicinal purposes is Echinacea purpurea. Echinacea plants are known for their potential health benefits, particularly in supporting the immune system and reducing the severity and duration of colds and other respiratory infections. Echinacea is often used in herbal remedies and supplements for its purported immune-boosting properties. Additionally, some studies suggest that Echinacea may have anti-inflammatory and antioxidant effects.