Leaf size and shape in Symplocos cochinchinensis (LOUR.) S. MOORE at different altitudes, from a to e at 100, 1600, 71800, 2000, and 3000 m respectively, a-b. subsp. lamina (RETZ.) NOOT. var. laurina, c-e. subsp. cochinchinensis var. sessifolia (Bl.) NOOT., all× ⅔ (aLUTJEHARMS 4561., bBLOKHUIS 7-12-21., cBLUME 1965., dJa 4010., eDOCTERS VAN LEEUWEN 8425.).