Which of the following is not a floral character of the family Fabaceae?

(1) Calyx - Sepals five, gamosepalous; imbricate aestivation

(2) Corolla - Petals five, polypetalous; vexillary aestivation

(3) Andreoecium - Ten, diadelphous, anther dithecous

(4) Gynoecium - Ovary inferior, bicarpellary, unilocular with many ovules