To 6 feet tall. Katuk Sweetleaf is a perennial, shrubby plant with small red flowers and purple fruit. Enjoys partial shade to full sun. A popular vegetable in Asia it is often grown as a hedge around rice paddies. The tender leaves have a pea-like flavour and are 49% protein. Young leaves can be eaten raw in salads; older leaves, small flowers and pea-size fruits are steamed. Add to stir-fry, egg and rice dishes, soups or casseroles.