Leaf starts off triangular, while its mature shape is rectangular with a triangular tip:

where Ai is the i-th leaf area (cm2), again limited by a maximum value determined by a quadratic relation s a function of leaf position f (leaf number) and AREAMX_CF(1, 2, 3) coefficients (cm2) according to (Inman-Bamber and Kiker, 1997):

The absolute maximum leaf area is limited to a cultivar parameter value (MXLFAREA, cm2) for leaves emitted after a threshold number of leaves (i.e., the cultivar parameter MXLFARNO).

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