|Scientific Name||Conium maculatum||USDA PLANTS Symbol||COMA2|
|Common Name||Poison-hemlock||ITIS Taxonomic Serial No.||29473|
|Description||Habitat: Creek and river bottoms, waste places, weedy areas, and woodland borders.
Plant: Erect, smooth biennial 1-1/2 to 8 feet tall, branchings stems with purple-red spots.
Leaves: Broad, three-times pinnately-divided leaves 3 to 12 inches long; ultimate lobes pinnately-incised.
Inflorescence: Compound umble 2 to 6 inches across with 8 to 16 umbellets; each umbellet with 12 to 25 small white flowers, each about 1/8-inch across with 5 petals and 5 protruding white stamens.
Bloom Period: March to June.
References: Illinois Wildflowers and "Wildflowers of the Texas Hill Country" by Marshall Enquist.
|BONAP Distribution Map
Map Color Key
Banner photo of Lupinus ssp. by Rick Capozza, Austin TX
© Tom Lebsack 2023