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Giant foxtail

Also known as: nodding foxtail, Chinese foxtail, giant bristlegrass

Setaria faberi Herrm.

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Giant foxtail
Giant foxtail

Morphology

Culm
Ascending to erect, branching at base, hollow, glabrous, often bent over.
Blades
Flat, linear, 5 to 20 inches long, .2 to .9 inch wide, upper surface typically soft-hairy, lower surface smooth to rough.
Sheath
Somewhat keeled, glabrous to scabrous, margins ciliate.
Ligule
Fringe of hairs on a membranous base.
Inflorescence
Panicle, dense, cylindrical, 3 to 8 inches long, .5 to 1.4 inch in diameter, often drooping.
Spikelets
About 1/10 inch long, 2-flowered, first glume shorter than second, lemmas 1 fertile and 1 sterile, 3-6 bristles at base of each spikelet.

Ecology

Habitat
Waste areas, disturbed sites, roadsides, and cultivated ground.
Distribution
Principally in the east 2/3 of Kansas.

Practical Information

Uses
Birds will eat the seeds.

Additional Notes

Special Notes: Giant foxtail is sometimes confused with green foxtail. Giant foxtail is taller, has a longer and wider inflorescence, and has pubescence on the upper surface of the leaves.
Quick Facts
Plant Type
Grass
Family
Poaceae - Grass Family
Life Span
Annual
Height
20-56 inches
Origin
Introduced
Last Updated
2007-09-18
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: July, August, September