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 Anthrenus lepidus, Gray Hairstreak, Honey bee, and Common Oblique Syrphid. Individuals can grow to 1.3 m.
EOL has data for 26 attributes, including: