Fig.2. Seasonal variation in different leaf morphological and chemical traits in the seedling, sapling and tree (young, mature, and old stages) of A. nepalensis tree in central Himalaya. Asterisks indicate significant seasonal differences within the same tree age based on independent sample t-test .; ns = not significant, *p  < 0.05, **p  < 0.01, ***p  < 0.001.