Poaceae
Sixweeks grama
Bouteloua barbata
- Family
- Poaceae
- Genus
- Bouteloua
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Common names
By language (1)
- English
- Sixweeks grama
Synonyms
- Actinochloa barbata (Lag.) Roem. & Schult.
- Bouteloua arenosa Vasey
- Bouteloua barbata var. arenosa (Vasey) Beetle
- Bouteloua barbata var. major (Vasey) Govaerts
- Bouteloua barbata var. rothrockii (Vasey) Gould
- Bouteloua barbata var. sonorae (Griffiths) Gould
- Bouteloua micrantha Scribn. & Merr.
- Bouteloua microstachya (E.Fourn.) L.H.Dewey ex J.M.Coult.
- Bouteloua polystachya (Benth.) Torr.
- Bouteloua polystachya var. major Vasey
- Bouteloua pumila Buckley
- Bouteloua rothrockii Vasey
- Bouteloua sonorae Griffiths
- Chondrosum barbatum (Lag.) Clayton
- Chondrosum barbatum var. rothrockii (Vasey) R.B.Shaw & Wipff
- Chondrosum exile E.Fourn. ex Hemsl.
- Chondrosum microstachyum E.Fourn.
- Chondrosum polystachyum Benth.
- Chondrosum rothrockii (Vasey) Wipff
- Chondrosum sonorae (Griffiths) Wipff
- Chondrosum subscorpioides Müll.Hal.
- Erucaria tetrastachya Cerv.
- Eutriana barbata (Lag.) Kunth
Flowers
- In flower
- August to November (from 40 flowering iNaturalist observations worldwide)
Characteristics
- Growth habit
- Graminoid
- Lifespan
- Annual
- In the US and Canada
- Lower 48 states: native
Photos
FlowerPhoto: Henrik Kibak, CC BY 4.0, from iNaturalist 
FlowerPhoto: Robbie Hannawacker, CC0, from iNaturalist 
FlowerPhoto: Ian McFaul, CC BY 4.0, from iNaturalist 
FlowerPhoto: Melanie J. Davis, CC BY 4.0, from iNaturalist 
Photo: Matt Lavin, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Cecelia Alexander, CC0, from iNaturalist 
Photo: Mike, CC BY-SA 3.0, from Wikimedia Commons 
Photo: CK2AZ, CC BY 4.0, from iNaturalist 
Photo: CK2AZ, CC BY 4.0, from iNaturalist 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons 
Photo: Sula Vanderplank, CC BY 4.0, from iNaturalist 
Photo: Matt Lavin from Bozeman, Montana, USA, CC BY-SA 2.0, from Wikimedia Commons
More in Bouteloua
- BuffalograssBouteloua dactyloidesPoaceae
- Sideoats gramaBouteloua curtipendulaPoaceae
- Needle gramaBouteloua aristidoidesPoaceae
- Sprucetop gramaBouteloua chondrosioidesPoaceae
- Bouteloua megapotamicaPoaceae
- Santa Rita Mountain gramaBouteloua eludensPoaceae
- Black gramaBouteloua eriopodaPoaceae
- Slender gramaBouteloua repensPoaceae
- Purple gramaBouteloua radicosaPoaceae
- Texas gramaBouteloua rigidisetaPoaceae
- Bouteloua distichaPoaceae
- Red gramaBouteloua trifidaPoaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.