Expression analysis of CjAG. A, Expression levels of CjAG in three developmental stages of floral buds of wt, `Jinpanlizhi’ and `Shibaxueshi’. B, expression of CjAG in different floral organs in wt. C, expression of CjAG in different floral organs in `Jinpanlizhi’. SFB, early stage of floral bud initiation; MFB, floral organ initiation; LFB, floral bud outgrowth; Se, Sepal; Ptd, Petaloid sepal; Pe, Petal; Sta, Stamen; Std, Stamenoid petal; Ca, Carpel; Ov, Ovule. Arrow indicated expression of CjAG in inner petals.