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Green foxtail

Setaria viridis (L.) Beauv.

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Green foxtail
Green foxtail
Green foxtail
Green foxtail
Green foxtail in winter
Green foxtail ligule

Morphology

Culm
Erect or ascending, often bent near bases, hollow, mostly glabrous.
Blades
Flat or folded, 2 to 10 inches long, less than 1/2 inch wide, glabrous, slightly rough; tips tapered to long points.
Sheath
Shorter than internodes, flattened, glabrous or rough; margins fringed with hairs.
Ligule
Short, dense fringes of hair.
Inflorescence
Panicles, cylindric, 1 to 5 inches long, to 1 inch wide, upright or sometimes nodding; rachis hairy; branches numerous, very short, bearing mostly 5-6 spikelets.
Spikelets
2-flowered, rounded, but with 1 side flat; bristles 1-3, arising at bases of spikelets, barbed, 3-4 times longer than spikelets.

Ecology

Habitat
Disturbed sites, waste areas, cultivated ground, roadsides, and lawns.
Distribution
Throughout Kansas.

Practical Information

Forage Value
Green foxtail provides fair forage value when young, and birds eat the seeds.

Additional Notes

Comments

Tufted. This common weed is one of the first plants to appear in newly disturbed areas. Setaria comes from Latin seta "bristle", in reference to the inflorescence.

Special Notes: Compare with yellow foxtail and giant foxtail.
Quick Facts
Plant Type
Grass
Family
Poaceae - Grass Family
Life Span
Annual
Height
8-36 inches
Last Updated
2007-09-09
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: July, August, September