Perennial green crop grown for hay and forage

noun

1. A deep-rooted leguminous perennial plant (Medicago sativa) of southwestern Asia that is widely grown for hay and forage

noun

1. A small dark brown European weevil (Hypera postica) that is now a widespread pest of alfalfa in North America

noun

1. An Old World weevil (Hypera brunneipennis) that is now a pest of alfalfa in western North America

noun

1. A highly destructive Old World aphid (Therioaphis maculata) that is established in the U.S. in warmer areas and causes yellowing and stunting of affected plants