Muhlenbergiaappressa
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Plant
Yavapai County Native & Naturalized Plants


Muhlenbergia appressa - Devils Canyon muhly

Plant Form:Grass

Family: Poaceae


   
 
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Seedheads and blades

USDA-NRCS Plants Database
  Grass Description -   Glossary of Grass Terminology

Origin: Native    Season: Cool
Habitat Description: Open canyon bottoms, rocky or sandy slopes, sandy drainages, and rocky road cuts; grama grasslands, oak-juniper woodlands, and chaparral associations.
Plant Communities: Desert Scrub, Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Disturbed Areas
Elevation: 70 - 5800 feet

General Description

Desc: Seedhead stem 4 to 36 inches, erect with sharp bends or prostate on the ground with the tip ascending.
Identification notes: Annual with erect or decumbent stems, much branched below, internodes rough or with stiff hairs below the nodes. Seedhead branches closely appressed, usually < 1/2 inch wide and partially enclosed in the sheath at maturity; glumes generally 1/16 inch.
Grass Type: Annual  Rhizomes: Y  Stolons: N
Large Dense Clump (> 2 feet): N  Bushy (highly branched): Y
Height with Seedheads: 12 to 24 inches
Seedhead Structure: Branched - contracted  Seedhead Droops: N
Flowering Period: Apr - May



Flower Characteristics

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

Flower and Seedhead Notes: Seedhead primary branches ascending, closely appressed, usually partially included in the sheaths, separate at maturity, usually above the glumes. Spikelets have 1 floret. Lower glumes sometimes rudimentary or absent, occasionally deeply two-lobed.


Vegetative Characteristics

Blade Hairy: Y  Blade with White Margin: N  Blade Cross Section: Flat or folded  
Blade Notes: Blades toothed, rough on bottom, hairy on top.
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: Ligule 1/8 inch, membranous, pointed, torn, with lateral lobes.

Forage Value: Not available.


  Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590
Version 8.0  
http://cals.arizona.edu/yavapaiplants/SpeciesDetailGrass.php  
Last Updated: Feb 16, 2020  
Content Questions/Comments: Email Jeff Schalau  
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