| 1 | Leaves ovate to suborbicular-acuminate, 10-12 cm long. Fruit only 5(-6) mm long, 4 mm wide |
| 1' | Leaves markedly longer than wide, up to 22 cm long. Fruit 8 mm long, 5 mm wide |
| 2 | Leaves very loosely strigillose to glabrescent on upper, loosely tomentose on lower side, acuminate. Calyx in flower 4 mm in diameter, campanulate to cup-shaped |
| 2' | Leaves densely strigillose on upper, densely tomentose on lower side, acute. Calyx in flower subcylindrical, not more than 3.5 mm in diameter |
