| 1 | Leaves oblong-ovate, ± bent upwards along the midrib, base obtuse. |
| 1' | Leaves oblong-obovate, boat-shaped with the lower surface concave; base cuneate |
| 2 | Twig and nervation and lamina beneath ± shortly scabrid pink-brown pubescent |
| 2' | Twig and nervation beneath rufous tufted tomentose, lamina beneath glabrous, lustrous |
