Parsley Family or Apiaceae
© Pathology Images Inc. 2002 - 2005
A tall (4 to 7 feet) herb with a purple-blotched stem and umbelliform compact clusters of small white or greenish-white flowers. Stalks of leaves with a swollen basal sheath. Leaves extensively divided into 9 to 15 toothed leaflets.
Photographed at Fletcher Wildlife Garden, Ottawa, ON