Wiktionary
multipetaled
a. Having multiple petals.
Usage examples of "multipetaled".
More fireworks, these the kind that whistled and burst into multipetaled blossoms.
It brought 1 springlike resurgence to the steppes of not only grass, but colorful blooms: dwarf iris in purple and yellow, deep red multipetaled peonies, spotted pink lilies, and vetch in variable colors from yellow and orange to red and purple.