Figure 1

Bar charts (mean ± SE) of leaf area (A) leaf roundness (leaf length/leaf width, B) leaf dry mass per unit area (C) and total shoot mass (leaf + shoot axis dry mass, D) for Taxus chinensis var. mairei and Taxus yunnanensis along a natural light gradient. Solid black bars represent low light, gray bars represent middle light, and white bars represent high light. Different letters (a,b) indicate significant differences.