Horseweed

Horseweed

Common name: Horseweed

Latin name: Conyza canadensis L. Cronquist

Family: Asteraceae

Life Cycle: Annual

Type: Broadleaf

Description: Annual herb that can be glabrous or pubescent, but often has bristly hairy, round stems. Leaves are lanceolate to oblanceolate in shape, arranged alternately on the stem, and have entire or toothed margins. It grows in a basal rosette initially but can grow up to 2 m tall in un-mowed areas.