Botanical name: Setaria verticillata Family: Poaceae (Grass family)
Synonyms: Panicum verticillatum, Pennisetum verticillatum
Bristly foxtail is an annual grass native to Europe, but widely naturalized world-wide. Culms are prostrate and rising up, 10–100 cm long. Leaf-blades are 5–30 cm long, 4–16 mm wide, flaccid. Leaf-blade surface is glabrous, or pilose. Inflorescence a panicle. Panicle is spike-like, linear, continuous, or interrupted, 2–15 cm long. Primary panicle branches are accrescent to a central axis, with evident branchlets on axis. Flowering: July-September.
Identification credit: Anil Kumar
The flower labeled Bristly Foxtail is ...