Synonyms: Aegilops hystrix, E. difformis, E. glaber , E. insularis , E. minor, E. pubiflorus, Sitanion hystrix var. hystrix and more. See SEINET. Other Common Names: bottlebrush squirreltail, western bottle-brush grass Plant Form: Grass
Origin: Native   Season: Cool and Warm Habitat Description: Dry slopes of the desert ranges to subalpine sites. Plant Communities:Interior Chaparral, Semidesert Grasslands, Pinyon Juniper Woodland, Montane Conifer Forest Elevation: 2000 - 11000 feet
Similar Species: Hordeum jubatumGeneral Description
Desc:
Erect grass not forming dense clumps, often covered in a powdery or waxy bloom. Blades at distinct angles from stem. Seedhead when mature looks like a bottle brush or squirrel tail. Identification Notes: Tufted perennial, 3 to 25 inches; seedheads are spikes, erect to flexuous, clusters of (usually) 2 spikelets per node and stacked up the central stem; very long awns that curve outward when dry, making the seedhead look like a bottlebrush. Grass Type: Perennial bunchgrass Rhizomes: N Stolons: N 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: Apr - Sep Flower Characteristics
Number of Flowers per Spikelet: Multi-flowered Spikelets One-sided: N Awns: Greater than 1 inch Three Awns: N Awns Bent: Y Flower and Seedhead Notes: Spikes 1-1/4 to 8 inches long, 2 to 6 inches wide, bristly with long spreading awns, densely flowered, often partially included in the upper leaf sheath. Spikelets of 2 to 5 florets of which one or more may be fertile.
Vegetative Charcteristics
Blade Hairy:
N
Blade with White Margins:
N
Blade Cross section:
Involute
Blade Notes:
Blades 2 to 8 inches long, 1/16 to 1/4 inch wide, stiff and rolled inward; tapering to a fine point; prominent veins.
Sheath Hairy:
Y
Tuft of Hairs at top of Sheath or Collar:
N
Ligules:
Membranous Auricles (Ear-like lobes at collar area:
Y
Forage Value:
Considered one of the most fire resistant of all native bunchgrasses and provides good forage before the bristly spikes mature and after they have fallen off.
Arizona Cooperative Extension
Yavapai County
840 Rodeo Dr #C
Prescott, AZ 86305
(928) 445-6590