Relationships between V_cmax a (μ mol m− 2 s⁻¹) and relative daily photon flux (logDPFrel, %) for the three architectural stage of development (ASD 1, white dots and ASD 2 grey diamonds) of Dicorynia guianensis. Regression equations, levels of significance (P) and coefficient of determination (r²) are indicated for statistically significance linear regressions. Significance levels: ns, P > 0.05; * P < 0.05; ** P < 0.01 and *** P < 0.001.