Which of the following is not a characteristic feature of Fabaceae
A. Descendingly imbricate, ten stamens, diadelphous ovary superior
B. Sepal five, gamosepalous, imbricate aestivation, placentation marginal
C. Monocarpellary, ovary superior, style long, slighly bent at the apex
D. Corolla five petals,polypetalous, anterior one large and outermost
