Bidens discoidea (Torr. & A.Gray) Britton
Family: Asteraceae
few-bracted beggar-ticks, swamp beggar-ticks
Bidens discoidea image
Etymology: Bidens: derived from Latin bis, "twice," and dens, "tooth," hence meaning "2-toothed" and referring to the bristles on the achenes
Plants: erect, annual, 12"-32" tall, smooth forb
Leaves: thin, 3-parted with lance-like, pointed, toothed leaflets on 1/4" - 2 1/3" long stalks
Flowers: head with a brownish to green disk 1/8"-1/3" wide, mostly without rays, 3-5 leafy bracts usually longer than the disk; inflorescence of several small heads; blooms Aug.-Sept.
Fruits: 2- bristly awns with short hairs and serrated edgesfruit drawing
Habitat: wet
Conservation Status: Native