Plant Image
Plant - fall
Rimrock Verde Valley
JK
Yavapai County Native & Naturalized Plants


Bouteloua aristidoides - needle grama

Plant Form:Grass

Family: Poaceae


   
 
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Plant image
Plant - fall
Camp Verde - Tent Rocks area
SS
Plant image
Blades
Rimrock Verde Valley
JK
Plant image
Blades
Rimrock Verde Valley
JK
Plant image
Seedhead
Rimrock Verde Valley
JK
Plant image
Seedhead
Rimrock Verde Valley
JK
Plant image
Spikelets
Camp Verde - Tent Rocks area
SS
  Grass Description -   Glossary of Grass Terminology

Origin: Native    Season: Warm
Habitat Description: Dry mesas, washes and waste places.
Plant Communities: Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Disturbed Areas
Elevation: Below 6000 feet

General Description

Desc: Wiry grass with seeds growing off one side of the stem. Low, weak stemmed, short lived plants, extremely variable in size.
Grass Type: Annual  Rhizomes: N  Stolons: N
Leaf Arrangement: Leaves basal and erect  Large Dense Clump (> 2 feet): N  Bushy (highly branched): N
Height with Seedheads: 12 to 24 inches
Seedhead Structure: Branched - comblike branches  Seedhead Droops: N
Flowering Period: Jun - Oct



Flower Characteristics

Number of Flowers per Spikelet: Multi-flowered  Spikelet Arrangement: One-sided
Awns: 1/4 inch to 1 inch   Three Awns: Y  Awns Bent: N

Flower and Seedhead Notes: Slender axis with 8-14 branches of 2-4 spikelets. Lemmas are 3 awned, resembling Aristida species. Rachis (central stem where spikelets attach) is densely hairy and extends beyond the terminal spikelet.


Vegetative Characteristics

Blade Hairy: N  Blade with White Margin: N  Blade Cross Section: Flat or folded  
Blade Notes: Leaves few and thin , 5 1/2 inches long and 1-2 mm wide, flat or folded, top surfaces sometimes with nipple like-based hairs, margins usually with nipplelike based hairs near the ligules.
Sheath Hairy: N  Tuft of Hairs Top of Sheath or Collar: Y  Ligules: Membranous
Auricles (Ear-like lobes at base of blades): N
Vegetative Notes: Hairs at base of blade, sometimes found on the blade surface. Ligules 0.2-0.5 mm, membranous, appearing torn at the edge or irregularly cleft or fringed with hairs on the margin .

Forage Value: Not significant as forage.


  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 3.1  
http://prescottnatives.com/SpeciesDetailGrass.php  
Last Updated: June 15, 2013  
Content Questions/Comments: Email Jeff Schalau  
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