| Setaria parviflora | 
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| Scientific classification   | 
| Kingdom: | Plantae | 
| Clade: | Tracheophytes | 
| Clade: | Angiosperms | 
| Clade: | Monocots | 
| Clade: | Commelinids | 
| Order: | Poales | 
| Family: | Poaceae | 
| Subfamily: | Panicoideae | 
| Genus: | Setaria | 
| Species: | S. parviflora | 
| Binomial name | 
| Setaria parviflora 
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| Synonyms[1] | 
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Alopecurus rubicundus Buch.-Ham. ex Wall. nom. inval.Cenchrus parviflorus Poir.Chaetochloa flava (Nees) Scribn.Chaetochloa geniculata (Poir.) Millsp. & ChaseChaetochloa gracilis (Kunth) Scribn. & Merr.Chaetochloa imberbis (Poir.) Scribn.Chaetochloa laevigata (Nutt.) Scribn. nom. inval.Chaetochloa occidentalis NashChaetochloa parviflora (Poir.) Scribn.Chaetochloa penicillata (J.Presl) Scribn.Chaetochloa perennis (Hall) C.BicknellChaetochloa purpurascens (Kunth) Scribn. & Merr.Chaetochloa ventenatii (Kunth) Nash nom. illeg.Chaetochloa versicolor C.BicknellChamaeraphis gracilis (Kunth) Kuntze ex Stuck. nom. illeg.Chamaeraphis imberbis (Poir.) Kuntze ex Stuck.Chamaeraphis penicillata (J.Presl) Stuck.Chamaeraphis ventenatii (Kunth) Beal nom. illeg.Echinochloa geniculata (Poir.) Millsp.Panicum adscendens Hoffm. ex Schult. & Schult.f. nom. inval.Panicum alopecuroideum Schreb. ex Steud.Panicum ascendens Willd. ex Spreng. nom. inval.Panicum beccabunga RendlePanicum berteronianum (Schult.) Steud.Panicum brachytrichum Steud. nom. inval.Panicum brasiliense Spreng.Panicum congestum Döll nom. inval.Panicum dasyurum NeesPanicum flavum NeesPanicum fuscescens Willd. ex Steud. nom. inval.Panicum geniculatum Poir.Panicum geniculatum Willd. nom. illeg.Panicum glaberrimum Elliott ex Scribn. & Merr. nom. inval.Panicum glaucescens Salzm. ex Döll nom. inval.Panicum glaucum Steud. ex Döll nom. inval.Panicum gobariense Vanderyst nom. inval.Panicum imberbe Poir.Panicum laevigatum Elliott nom. illeg.Panicum medium Muhl. ex Elliott nom. inval.Panicum occidentale (Nash) Nieuwl. nom. illeg.Panicum pseudoholcus Steud. nom. inval.Panicum raripilum KunthPanicum tejucense NeesPanicum ventenatii (Kunth) Steud. nom. illeg.Panicum versicolor (C.Bicknell) Nieuwl. nom. illeg.Panicum virescens Salzm. ex Döll nom. inval.Panicum vulpinum Willd.Pennisetum geniculatum (Poir.) J.Jacq.Pennisetum laevigatum Nutt.Pennisetum parviflorum (Poir.) Trin.Setaria affinis Schult.Setaria ambigua Schrad.Setaria barretoi BoldriniSetaria berteroniana Schult.Setaria brachytricha Mez ex R.A.W.Herrm.Setaria discolor Hack.Setaria flava (Nees) KunthSetaria floriana AnderssonSetaria geniculata P.Beauv.Setaria gracilis KunthSetaria imberbis (Poir.) Roem. & Schult.Setaria laevigata (Nutt.) Schult.Setaria penicillata J.PreslSetaria perennis HallSetaria purpurascens KunthSetaria stipaeculmis Müll. Hal.Setaria stipiculmis C.Muell.Setaria streptobotrys E.Fourn.Setaria tejucensis (Nees) KunthSetaria tenella Desv.Setaria ventenatii Kunth nom. illeg.Setaria vulpina (Willd.) P.Beauv.
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Setaria parviflora is a species of grass known by the common names marsh bristlegrass,[2] knotroot bristle-grass,[3] bristly foxtail and yellow bristlegrass. It is native to North America, including Mexico and the United States from California to the East Coast, Central America and the West Indies,[4] and South America.[5]
This grass is a perennial with small, knotty rhizomes. It produces stems 30 centimeters to well over one meter tall. The leaf blades are up to 25 centimeters long and under a centimeter wide.[4] The leaves are whitish-green.[6] The inflorescence is a compact, spikelike panicle up to 8 or 10 centimeters long. Surrounding each spikelet are up to 12 yellow or purple bristles.[4] The bristles stay on the stalk after the seeds drop away.[6]
This grass grows in moist habitat.[4] It can grow in salty habitat such as salt marshes.[6]
References
| Taxon identifiers | 
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| Setaria parviflora |  | 
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| Cenchrus parviflorus |  | 
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