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Setaria verticillata
Also called Bristly foxtail, Rough bristlegrass, Rough Bristle Grass, Bristle Pigeon Grass, Bur Bristlegrass, Bur Grass, Whorled Foxtail
Hooked bristlegrass is an annual grass, often a weed of crops, lawns and disturbed ground, spread by barbed bristles that hook onto fur and clothing. It grows readily in most open, sunny sites and is best kept under control rather than cultivated.
Setaria verticillata is a species of grass known by the common names hooked bristlegrass, rough bristle-grass and bristly foxtail. It is native to Europe, but it is known on most continents as an introduced species and often a noxious weed. It is a hardy bunchgrass which grows in many types of urban, cultivated, and disturbed habitat. It is a weed of many types of agricultural crops, growing in vineyards and fields. Herbicide-resistant strains have been noted.
This is an annual grass with decumbent or erect stems growing up to a meter long. The leaf blades are up to 25 centimeters long and have a long sheath around the stem. The inflorescence is a dense panicle up to 15 centimeters long which tapers at both ends. It contains many small spikelets and bristles. The bristles have tiny backwards-pointing barbs that help them hook onto clothing or animal fur, facilitating their dispersal.
Japanese bristlegrass · Foxtail millet · Palmgrass · Yellow foxtail · African bristlegrass · Green bristlegrass · Bristlegrass
Text excerpted from the Wikipedia article Setaria verticillata by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.
The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.
Life form, climate and native range: World Checklist of Vascular Plants, Royal Botanic Gardens, Kew (CC BY 3.0), reformatted; see Plants of the World Online.
