Photo 1: Abaxial surfaces of Q. rubra (top row) and Q. ilicifolia (bottom).
Photo 2: Adaxial surfaces of Q. rubra (top row) and Q. ilicifolia (bottom).
Photo 3: Close up abaxial surface comparison of Q. rubra (right) and Q. ilicifolia (left).
Photo 4. Close up adaxial surface comparison of Q. rubra (right) and Q. ilicifolia (left).
Photo 5, 6: Variation of Q. ilicifolia leaves (abaxial and adaxial, respectively).