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Morphometric analysis of e-2 terminal leaflets. (a) Distal bulges in terminal leaflet laminae in the e-2 mutant background occur either on opposite sides of leaf 1/2 pairs or on the same side. (b) Principal components (PCs) representing asymmetric shape variance using elliptical Fourier descriptors (EFDs). Negative PC standard deviation values are of opposite asymmetric orientation compared to positive values. Per cent asymmetric shape variance explained by each PC is provided.
