Involved in the inactivation of early gibberellin (GA) intermediates. Expressed in the shoot apical meristem (SAM), petioles of young leaves and emerging leaves, in sepals, stigma, anther and filaments of the developing flowers, and in the receptacle and stigma of the developing siliques. No visible phenotype; due to the redundancy with CYP714A2. Cyp714a1 and cyp714a2 double mutants flower earlier and have an increased plant size and biomass. Overexpression of CYP714A1 causes severe dwarfism with defective leaf development. Belongs to the cytochrome P450 family.