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Plant - fall
Pioneer Parkway
SS
Yavapai County Native & Naturalized Plants


Leptochloa dubia - green sprangletop

Plant Form:Grass

Family: Poaceae


   
 
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Plant - fall
Canelo AZ Pima County
JK
Plant image
Blade
Canelo AZ Pima County
JK
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Spikelets
Pioneer Parkway
SS
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Seedhead
Pioneer Parkway
SS
Plant image
Seedhead
Canelo AZ Pima County
JK
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Ligule
Pioneer Parkway
SS
  Grass Description -   Glossary of Grass Terminology

Origin: Native    Season: Warm
Habitat Description: Dry open plateaus and rocky slopes.
Plant Communities: Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Riparian
Elevation: 2500 - 6000 feet

General Description

Desc: Tall erect perennial grass. Sheaths often purple tinged, blades dull bluish green.
Grass Type: Perennial bunchgrass  Rhizomes: N  Stolons: N
Leaf Arrangement: Leaves along stems  Large Dense Clump (> 2 feet): N  Bushy (highly branched): N
Height with Seedheads: 24 to 36 inches
Seedhead Structure: Branched - contracted  Seedhead Droops: N
Flowering Period: May - Sep



Flower Characteristics

Number of Flowers per Spikelet: Multi-flowered  Spikelet Arrangement: All around branches
Awns: Absent   Three Awns: N  Awns Bent: N

Flower and Seedhead Notes: Seedhead with few to many spreading, ascending or drooping branches 3 - 12 cm long. Spikelets 4 - 8 flowered. Lemmas with 3 prominent nerves and notched at the apex.


Vegetative Characteristics

Blade Hairy: N  Blade with White Margin: N  Blade Cross Section: Flat or folded  
Blade Notes: Flat or rolled inward from edges (involute) on drying midrib prominent on upper surface. 3-14 inches long 2-8 mm wide, smooth without hairs, with stiff, straight, appressed hairs, or soft-hairy.
Sheath Hairy: Y  Tuft of Hairs Top of Sheath or Collar: N  Ligules: Membranous
Auricles (Ear-like lobes at base of blades): N
Vegetative Notes: Nodes dark brown to black. Sheaths sometimes with a soft-hairy collar; ligules 1-2 mm, as though abruptly "chopped off", irregularly dissected and lacerate as if gnawed.

Forage Value: Good for livestock, fair for wildlife when green.


  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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