Black Gramma Grass
Author: Ray Bowers
Species: Yucca elata |
Description:
Black grama is a perennial grass that is 20 to 45cm (7.5 to 17.5 in)
tall. Stems are round with long narrow leaves that are alternately two-ranked with parallel venation. The
flowers are found on widely spaced branches.
Geographic range:
Black gramma is found from Arizona east to Texas and south into
Mexico. It is found through New Mexico
Habitat:
Black gramma is found in semidesert to desert areas with rocky or sandy
slopes and flats.
Reproduction and Development:
The flowers bloom from July to October. The flowers
are located in eight to eighteen spikelets on one side of widely spaced branches that are 2 to 5cm (0.75
to 2.0in) long. The spikelets contain a single flower. The lemmas have three hair-like fibers called an
awns that are 4 to 8mm (0.125 to 0.5in) long. Pollination is by the wind.
Taxonomy:
Kingdom: Plantae
Division: Magnoliophyta
Class: Liliopsida
Order: Poales
Family: Poaceae
Genus: Bouteloua
Species: Bouteloua eriopoda
References:
Allred, Kelly W. 2000. A Field Guide to the Flora of the Jornada Plain.
Las Cruces: NMSU Department of Animal and Range Science.
Allred, Kelly W. 1997. A Field Guide to the Grasses of New Mexico. Las Cruces: NMSU Department of
Agricultural Communication.
Gould, Frank W. 1975. The Grasses of Texas. College Station, Texas: Texas A & M University
Press.
Wooton, E.O. and Paul C. Standley. 1915. Flora of New Mexico. Contributions from the United States National
Herbarium, Vol 19. Washington :Government Printing Office.
Related Terms: Magnoliophyta, Liliopsida