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Plant - fall
Pioneer Parkway


Yavapai County Native & Naturalized Plants

Leptochloa dubia - green sprangletop

Synonyms: Chloris dubia, Diplachne dubia., Diplachne dubia var. pringleana, Disakisperma dubium
Plant Form: Grass

Family: Poaceae


   
 
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Plant - fall
Canelo AZ Pima County
John Kava
Blade
Canelo AZ Pima County
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Seedhead
Pioneer Parkway
Sue Smith
Seedhead
Canelo AZ Pima County
John Kava
Spikelets
Pioneer Parkway
Sue Smith
Ligule
Pioneer Parkway
Sue Smith
  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
Elevation: 2500 - 6000 feet


General Description

Desc: Coarse erect, few-stemmed bunchgrass. Seedheads of 2 to 15 slender and flexible drooping branches that bear spikelets of 4 to 7 florets.
Identification Notes: Large perennial, wiry stems. Sheaths strongly keeled, purplish. Blades flat, folded or loosely revolute. Seedheads flexible, drooping, 2 to 15 branches at 90-degree angles, paired or digitately arrianged branches. Spikelets of 4 to 7 awnless florets.
Grass Type: Perennial bunchgrass  Rhizomes: N  Stolons: N
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: Y
Flowering Period: Jul - Oct
Flower Characteristics

Number of Flowers per Spikelet: Multi-flowered  Spikelets One-sided: N
Awns: Absent   Three Awns: N  Awns Bent: N
Flower and Seedhead Notes: Seedheads 4 to 8 inches, few to many spreading, ascending or drooping branches 1 to 5 inches long. Branches are triangular in cross-section. Spikelets 4 to 7 florets. Secondary seedheads are often hidden in the lowest leaf sheaths.
Vegetative Charcteristics

Blade Hairy: Y    Blade with White Margins: N    Blade Cross section: Flat or folded
Blade Notes: Blades dull bluish-green, flat or folded, 3 to 14 inches long and about 1/2 inch wide. Blades may be smooth, downy, or covered with stiffly appressed hairs.
Sheath Hairy: Y    Tuft of Hairs at top of Sheath or Collar: Y    Ligules: Membranous and hairy
Auricles (Ear-like lobes at collar area: N

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 8.0  
http://cales.arizona.edu/yavapaiplants/SpeciesDetailGrass.php  
Last Updated: Dec 13, 2022
Content Questions/Comments: Email Matt Halldorson  
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