Setaria parviflora

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Setaria parviflora
Starr 090121-1010 Setaria parviflora cropped.jpg

Secure (NatureServe)
Scientific classification
Kingdom: Plantae
(unranked): Angiosperms
(unranked): Monocots
(unranked): Commelinids
Order: Poales
Family: Poaceae
Genus: Setaria
Species: S. parviflora
Binomial name
Setaria parviflora
(Poir.) Kerguélen
  • Alopecurus rubicundus Buch.-Ham. ex Wall. nom. inval.
  • Cenchrus parviflorus Poir.
  • Chaetochloa flava (Nees) Scribn.
  • Chaetochloa geniculata (Poir.) Millsp. & Chase
  • Chaetochloa gracilis (Kunth) Scribn. & Merr.
  • Chaetochloa imberbis (Poir.) Scribn.
  • Chaetochloa laevigata (Nutt.) Scribn. nom. inval.
  • Chaetochloa occidentalis Nash
  • Chaetochloa parviflora (Poir.) Scribn.
  • Chaetochloa penicillata (J.Presl) Scribn.
  • Chaetochloa perennis (Hall) C.Bicknell
  • Chaetochloa purpurascens (Kunth) Scribn. & Merr.
  • Chaetochloa ventenatii (Kunth) Nash nom. illeg.
  • Chaetochloa versicolor C.Bicknell
  • Chamaeraphis 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 Rendle
  • Panicum berteronianum (Schult.) Steud.
  • Panicum brachytrichum Steud. nom. inval.
  • Panicum brasiliense Spreng.
  • Panicum congestum Döll nom. inval.
  • Panicum dasyurum Nees
  • Panicum flavum Nees
  • Panicum 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 Kunth
  • Panicum tejucense Nees
  • Panicum 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 Boldrini
  • Setaria berteroniana Schult.
  • Setaria brachytricha Mez ex R.A.W.Herrm.
  • Setaria discolor Hack.
  • Setaria flava (Nees) Kunth
  • Setaria floriana Andersson
  • Setaria geniculata P.Beauv.
  • Setaria gracilis Kunth
  • Setaria imberbis (Poir.) Roem. & Schult.
  • Setaria laevigata (Nutt.) Schult.
  • Setaria penicillata J.Presl
  • Setaria perennis Hall
  • Setaria purpurascens Kunth
  • Setaria stipaeculmis Müll. Hal.
  • Setaria stipiculmis C.Muell.
  • Setaria streptobotrys E.Fourn.
  • Setaria tejucensis (Nees) Kunth
  • Setaria tenella Desv.
  • Setaria ventenatii Kunth nom. illeg.
  • Setaria vulpina (Willd.) P.Beauv.

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]


  1. ^ "The Plant List: A Working List of All Plant Species". Retrieved 14 December 2014. 
  2. ^ "Setaria parviflora". Natural Resources Conservation Service PLANTS Database. USDA. Retrieved 11 November 2015. 
  3. ^ "BSBI List 2007". Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-02-25. Retrieved 2014-10-17. 
  4. ^ a b c d Setaria parviflora. Grass Manual Treatment.
  5. ^ Setaria parviflora. Germplasm Resources Information Network.
  6. ^ a b c Setaria parviflora. USDA NRCS Plant Fact Sheet.

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