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. 2021 Jun 22;128(4):395–406. doi: 10.1093/aob/mcab078

Fig. 3.

Fig. 3.

Leaf size estimates using a leaf shape-specific correction factor (CF; left side) and the CF of 2/3 for all leaves (right side) compared against leaf size obtained from image recognition software. The y-axis indicates relative difference of estimated leaf size using the respective CF to leaf size from image recognition software. Values >0 indicate overestimation of leaf size applying the respective CF and values <0 indicate underestimation. Dotted black line (y = 0) indicates no difference between leaf size estimated using CF and leaf size from image recognition software. Leaf shape definitions are provided in Table 1. Green boxplots indicate lobed leaves and blue boxplots indicate unlobed leaves. Significant differences of the leaf shape-specific CF to leaf size from image recognition software are indicated (***P ≤ 0.001; **P ≤ 0.01; *P ≤ 0.05; n.s., P > 0.05).