She found that the pre-pattern begins as a small, crescent-shaped region long before the bullseye is visible on tiny petals ...

The pointed petals offer a bit of variation without ... For a small step up from the simple flower, try this dogwood flower ...

"Our findings suggest that flowers don't need to evolve too many different petal colours, because they can use patterns to diversify their displays so bees can tell them apart from other flowers." ...