Beggar Ticks - Sticktight
Bidens Aristosa (Michaux) Britton
Asteraceae (Sunflower) Family
Plant is an upright, smooth to hairy annual with a taproot. Its preferred habitat is ditches, roadsides, fields, waste sites, and along railroad tracks. Distribution is throughout the Escambia region.
The leaves are alternate, simple, petiolate, pinnately dissected, wit6h segments lanceolate and toothed or lobed.
The flowers are solitary, on long stalks (peduncles), symmetrical in form; disc flowers are bisexual (perfect) and yellow. Ray flowers number 8 to 10 and also yellow. Flowers occur in the summer and autumn.
Fruit is achene.
Of interest: B. frondosa L. does not have ray flowers. B. laevis L has simple, serrate, and unlobed leaves. B. pilosa L has white ray flowers.