According to some observers, there is a tendency for buttercups to have 5 petals, bloodroots 8, fireweeds 13, asters 21, common field daisies 34, and Michaelmas daisies 55 or 89.
એટલે અમુકનું કહેવું છે કે બટરકપ ફૂલમાં પાંચ પાંખડીઓ હશે.