What an awful title but I blame Jeremy Clarkson. He repeatedly called clematis chlamydia and now that immediately comes to mind...
These are the blooms of an evergreen clematis, at its peak it is more flower than plant and each flower is seven-petaled perfection. This example calls a greenhouse home though it would no doubt thrive in our temperate climate.
Canon 1D Mark IV, Canon 100/f2.8L IS
100mm, f5.6, 1/320 sec @ 320 ISO