VERBENACEAE: Vervain Family
KEY TO SPECIES OF CALLICARPA
1. Petiole (9)15-35 mm ....................................... C. americana
1. Petiole 2-10 mm ......................................................... 2
2. Leaf blade toothed from above middle to apex ........... C. dichotoma
2. Leaf blade toothed from well below middle to apex ....... C. japonica