Hawthorn (Crataegus monogyna) is a flowering shrub of the rose family often used in treating heart failure, high blood pressure, and high cholesterol. It's been reported to have diuretic effects.

Hawthorn (Crataegus) is a flowering plant of the rose ... Some of the most common hawthorn species include C. monogyna, C. nigra, C. pinnatifida, and C. laevigata. While widely distributed in ...