A mounting assembly for an ostomy appliance is disclosed. The mounting assembly comprises a body flange comprising a flexible plastic member comprising a flange ring, a rim, and first and second loops, and an adhesive skin barrier member. The mounting assembly also comprises an ostomy pouch comprising a proximal sheet having an aperture, a distal sheet, and a pouch ring attached to the proximal sheet, surrounding the aperture, the pouch ring comprising an adhesive coating thereon and third and fourth loops extending radially therefrom. The body flange and ostomy pouch are configured for the third and fourth loops to engage within the pocket of the first and second loops, respectively, the pouch ring to fit around the flange ring, and the rim of the flexible plastic member to contact the adhesive coating on the pouch ring. The adhesive skin barrier member has a multi-petaled outer perimeter.