Conium maculatum L.
Family: Apiaceae
poison-hemlock
Conium maculatum image
Merel R. Black  
Etymology: Conium: derived from ancient Greek name coneion for hemlock
Plants: erect, biennial, up to 8' tall forb; stems green with purple spots, freely branched, and hollow; all parts deadly poisonous
Leaves: not clasping the stem, 8"-16" broadly-triangular to ovate in outline, 3-4 times pinnately-divided, toothedleaf drawing
Flowers: white, 5-parted; inflorescence of many 2"-3 1/2" mostly terminal umbels often with 2-4 together from the top stem node, with age the side umbels overtop the central one; blooms June-Aug.
Fruits: dry, splitting into 2 seeds, - fruit:fruit drawing seed:seed drawing
Habitat: disturbed sites
Hazardous: Careful, this plant is hazardous!
Invasiveness: Prohibited/Restricted Invasive - Eradicate!
Conservation Status: Introduced - adventive; potentially invasive
Conium maculatum image
Emmet J. Judziewicz  
Conium maculatum image
Merel R. Black  
Conium maculatum image
Botanical Illustration  
Conium maculatum image
Emmet J. Judziewicz  
Conium maculatum image
Conium maculatum image
Conium maculatum image
Flora.cyberia  
Conium maculatum image
Botanical Illustration  
Conium maculatum image
Conium maculatum image
Conium maculatum image
Kurt Stüber  
Conium maculatum image
from USDA Plants Website  
Conium maculatum image
Conium maculatum image
Conium maculatum image
Botanical Illustration  
Conium maculatum image
Emmet J. Judziewicz  
Conium maculatum image
Conium maculatum image
Conium maculatum image
Conium maculatum image
Conium maculatum image
Conium maculatum image
Conium maculatum image