SEARCH Articles Figures Tables Double petalled flower Double petalled flower with pistil Marigold petals Petal aestivation Petal connation Petal contort Petal development Petal effect Petal fusion Petal growth Petal initiation Petal number Petal postgenital Petal texture Petal valvate Petal-shaped diaphragm Rose petals Sunflower petals Thousand-petalled lotus