When a flower arises in the axil of leaf-like structure, this structure is known as
When a flower arises in the axil of leaf-like structure, this structure is known as bract. Bracts may be green like ordinary leaves or at times, they are coloured. The large colourful bract of Bougainvillea is easily mistaken as the petal. The actual flower, in this case, is small, somewhat cylindrical and attached on the inner side of the bract.