Conium maculatum

poison hemlock, cigue maculee, cigue tachetee, deadly hemlock, poison parsley, poison-hemlock, spotted parsley
Family

Apiaceae

Leaf Arrangement

alternate

Leaf Attachment

petiolate

Leaf Type

compound, pinnate

Growth Form

forb

Flower Color

white

Flower Month

May - August

Height (meters)

0.5 - 3.0

Milky Sap

No

Armed/Unarmed

Unarmed

Origin

introduced

Lifespan

biennial


Wetland Class

FACW

Field Characters

Veins in leaflets terminate at the notch between teeth, prominent calyx teeth visible on the flower and fruit; roots are a bundle of yellowish finger sized tubers. Similar to Conium maculatum that has no calyx teeth on flowers, veins that end in the point of the teeth on the leaflets, and a white tap root.

Habitat

Roadsides, fencerows, stream banks, waste places, thickets.