Read the the following statements : (i) A sterile stamen is called staminode (ii) Epipetalous stamens are found in lily and an epiphyllous stamen in brinjal. (iii) China rose posses polyadelphous stamens (iv) Salvia and mustard possess stamens of variable lengths in its androecium.(v) Pea possess monoadelphous as well as diadelphous androecium.How many of the above statements are correct ?