Plant Image
Plant - summer
Granite Mtn - Tr 308
Yavapai County Native & Naturalized Plants

Hordeum pusillum - little barley

Synonyms: Critesion pusillum

Plant Form:Grass

Family: Poaceae

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Mature plant
Granite Mtn - Tr 308
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Blade and node
Granite Mtn - Tr 308
Plant image
Granite Mtn - Tr 308
Plant image
Granite Mtn - Tr 308
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Seedhead - mature
Granite Mtn - Tr 308
  Grass Description -   Glossary of Grass Terminology

Origin: Native    Season: Cool
Habitat Description: Swales, roadsides and other disturbed areas.
Plant Communities: Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Disturbed Areas
Elevation: Below 6000 feet

General Description

Desc: Annual cool season often will grow in dense stands.
Grass Type: Annual  Rhizomes: N  Stolons: N
Leaf Arrangement: Leaves along stems  Large Dense Clump (> 2 feet): N  Bushy (highly branched): N
Height with Seedheads: 12 to 24 inches
Seedhead Structure: Unbranched  Seedhead Droops: N
Flowering Period: Mar - Jun

Flower Characteristics

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

Flower and Seedhead Notes: Balanced spike. Spikelets three per node, middle one perfect and sessile, lateral 2 staminate. Both glumes of the central spikelet and the 2nd glume of the lateral spikelets prominently expanded above the base.

Vegetative Characteristics

Blade Hairy: Y  Blade with White Margin: N  Blade Cross Section: Flat  
Blade Notes: Blades to 4 inches long, to 4.5 mm wide, sparsely to densely clothed with soft hairs or down on both sides.
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: Sheaths smooth without hairs or slightly clothed with soft hairs or down; ligules 0.2–0.8 mm.

Forage Value: Good before going to seed.

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