Conium maculatum (Hemlock) is a species of biennial herb in the family umbellifers. They have a self-supporting growth form. They are native to Western North America. They have simple, broad leaves. Flowers are visited by American Snout, Gray Hairstreak, Bumble Bees, and Ancistrocerus gazella. Individuals can grow to 1.3 m.
EOL has data for 25 attributes, including: