Painted buckeye (Aesculus sylvatica), flowers and leaves.  Buckeye is especially evident in early spring because its leaves are among the earliest to develop fully.  Duke Forest Korstian Division, Durham, North Carolina USA.
<a href="//commons.wikimedia.org/wiki/User:Dcrjsr" title="User:Dcrjsr">Dcrjsr</a>
CC BY 3.0
<span class="int-own-work" lang="en">Own work</span>