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


Muhlenbergia porteri - bush muhly

Plant Form:Grass

Family: Poaceae


   
 
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Plant image
Plant - fall
Rimrock Verde Valley
JK
Plant image
Seedhead
Rimrock Verde Valley
JK
Plant image
Seedheads
Rimrock Verde Valley
JK
  Grass Description -   Glossary of Grass Terminology

Origin: Native    Season: Warm
Habitat Description: Grows among boulders on rocky slopes and on cliffs, and in dry arroyos, desert flats, and grasslands, frequently in the protection of shrubs.
Plant Communities: Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland
Elevation: 2000 - 6000 feet

General Description

Desc: Distinctly bushy in appearance. Bush muhly originally existed in extensive stands on the open range lands of southern Arizona but now occurs for the most part in the protection of shrubs. A large, weak stemmed, fine, wiry perennial bunchgrass.
Grass Type: Perennial bunchgrass  Rhizomes: N  Stolons: N
Leaf Arrangement: Leaves basal and along stems  Large Dense Clump (> 2 feet): N  Bushy (highly branched): N
Height with Seedheads: 24 to 36 inches
Seedhead Structure: Branched - open and spreading  Seedhead Droops: N
Flowering Period: Jul - Sep



Flower Characteristics

Number of Flowers per Spikelet: One-flowered  Spikelet Arrangement: End of branches
Awns: 1/4 inch to 1 inch   Three Awns: N  Awns Bent: N

Flower and Seedhead Notes: Fine, many-branched, loosely drooping, purplish. During good years the very numerous seedheads give the entire plant a cobwebby appearance.


Vegetative Characteristics

Blade Hairy: N  Blade with White Margin: N  Blade Cross Section: Flat or folded  
Blade Notes: Blades 1-3 inches long 0.5-2 mm wide, usually rough.
Sheath Hairy: N  Tuft of Hairs Top of Sheath or Collar: N  Ligules: Membranous
Auricles (Ear-like lobes at base of blades): N
Vegetative Notes: Sheaths shorter than the internodes, smooth; ligules 1-2.5(4) mm, as though abruptly "chopped off", torn or irregularly cleft, with lateral lobes.

Forage Value: Highly palatable and well liked by livestock despite the wiry culms.


  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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