The term 'Member of the Lily Family' refers to three plants: AGAVE (5 letters), Aloe (4 letters), and ONION (5 letters). AGAVE is a succulent plant native to Mexico and the southwestern United States, and is commonly used in tequila production. Aloe is a genus of flowering succulent plants native to Africa, and is often used in cosmetics and herbal medicines. ONION is a species of edible bulbous plant native to Central Asia, and is widely used as a food ingredient. All three plants are members of the lily family, which is a large family of flowering plants.