YELLOW FOXTAIL
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File Size: 79 KB |
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Setaria pumila (Poir. ) Roem. & J.A. Schultes
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[=Setaria glauca (L. ) Beauv.] |
Konza Prairie, Riley County, Kansas |
Annual |
Height: 12-40 inches |
Family: Poaceae - Grass Family |
Flowering Period: June, July, August, September |
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Also Called: | | Yellow bristlegrass. | Culms: | | Erect to ascending, 12 to 40 inches tall, branching at base, flattened, glabrous, often geniculate, sometimes purplish. | Blades: | | Flat to folded, 4 to 12 inches long and .2 to .5 inch wide, occasionally twisted in loose spiral, glabrous except for scattered long hairs on upper surface close to base. | Sheaths: | | Prominently flattened, keeled, glabrous, often purplish at base; margins not ciliate. | Ligules: | | Ciliate membrane. | Inflorescences: | | Panicle, dense, stiffly erect, cylindric, 2 to 4 inches long; yellowish at maturity. | Spikelets: | | Broadly ovate, but flat on one side; floret 1, perfect; lemma 1, sterile; 4-12 yellowish-brown to golden-brown bristles at base of each spikelet. | Habitat: | | Waste areas, disturbed sites, cultivated ground, roadsides, and lawns. | Distribution: | | Throughout Kansas. | Origin: | | Naturalized from Eurasia. | Forage Value: | | Yellow foxtail has fair forage value when immature. | Uses: | | Birds will consume the seeds. | Comments: | | A common weed that is one of the first plants to appear in disturbed areas. The bristles have been known to cause mouth injuries in livestock. | | | Compare with green foxtail |
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Yellow foxtail | | 179 KB | Konza Prairie, Riley County, Kansas |
| Yellow foxtail inflorescence | | 87 KB | Konza Prairie, Riley County, Kansas |
| Yellow foxtail ligule | | 63 KB | Konza Prairie, Riley County, Kansas |
| Yellow foxtail | | 188 KB | Konza Prairie, Riley County, Kansas |
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