More info about perfect flower: http://step.sdsc.edu/projects95/Flower.Project/flower.dissection/PERFECTFLOWER.HTML

A text summary of the clickable map above, meant for web-crawlers and other automatic tools:
perfect flower type of flower
perfect flower contrasts with imperfect flower
perfect flower has characteristic self-pollination
perfect flower has characteristic cross-pollination
perfect flower contains male part
perfect flower contains female part