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Bouteloua trifida
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Three-awned Grama
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Bouteloua trifida

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About Three-awned Grama (Bouteloua trifida) Bouteloua trifida is a species of grass known by the common name Red Grama. It is native to central and northern Mexico and the Southwestern United States, where it grows in desert scrub and other dry areas. This is a small perennial grass growing up to about 30 centimeters in maximum height. It sometimes grows a small rhizome. The thready leaves are no more than 5 centimeters long. The inflorescence bears widely spaced spikelets which are reddish purple in color. Each has three awns at the tip.
Plant Description
Plant Type

Max. Height
11.8 in (30 cm)

Flower Color
Purple, Red

Native Status
Natural Setting
Elevation ?
970' - 6283'

Annual Precip. ?
4.9" - 8.9"

Summer Precip. ?
1.01" - 2.65"

Coldest Month ?
46.7° F - 60.4° F

Hottest Month ?
68.1° F - 86.4° F

Humidity ?
6.88 vpd - 38.56 vpd

Landscaping Information
Nursery Availability
Never or Almost Never Available

Other Names
Common Names
Red Grama

Sources include: Wikipedia. All text shown in the "About" section of these pages is available under the Creative Commons Attribution-ShareAlike License. Plant observation data provided by the participants of the California Consortia of Herbaria, Sunset information provided by Jepson Flora Project. Propogation from seed information provided by the Santa Barbara Botanical Garden from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include CalPhotos, Wikimedia Commons, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include Calflora, CNPS Manual of Vegetation Online, Jepson Flora Project, Las Pilitas, Theodore Payne, Tree of Life, The Xerces Society, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from PRISM Climate Group, Oregon State University, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.

Links:   Jepson eFlora Taxon Page  CalPhotos  Wikipedia  Calflora

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