Skip to main content

Festuca arizonica - Arizona fescue

Scientific Family
Poaceae
Synonyms
Festuca ovina var. arizonica, Festuca altaica subsp. arizonica, Festuca scabrella var. asperrima, Festuca vaseyana
Other common names
pinegrass
mountain bunchgrass
Plant type
Grasses
Riparian
No

Grass Description

Origin
Native
Season
Cool
Warm

Dry meadows and openings of montane conifer forests, prefers gravelly rocky soil.

Plant Community
Montane Conifer Forest
Low elevation
6000
High elevation
10000

General Description

Bluish-green fine leaved tufted grass up to 1 foot diameter and 1 foot high, seedheads extend up to 3 feet. Green growth is present in spring, summer, and fall. Plant greens up in the spring and flowers late spring to August.

Densely tufted, clumping bunchgrass. Stems 1 to 3 feet tall, clustered, greenish yellow to blue-green. Leaf blades are mostly basal, string-like, and rough to the touch. Florets with less than 1/16 inch awns or no awns.

Grass type
Perennial bunchgrass
Rhizomes
No
Stolons
No
Clump Diameter 2 ft or more
No
Bushy - highly branched
No
Height with Seedheads
24 inches or more
Seedhead Structure
Branched - contracted
Seedhead droops
No
First bloom month
May
Last bloom month
August

Flower Characteristics

Flowers per Spikelet
Multi-flowered
Spikelets One-Sided
No
Awns
Less than 1/4 inch
Three Awns
No
Awns bent
No
Flower and Seedhead Notes

Narrow with 1 or 2 spreading branches at the base. Seedhead branches are rough. Spikelets 4 to 6 flowered, awnless or with very short awns. Glumes unequal with hairy margins.

Vegetative Characteristics

Blade is hairy
No
Blade margins white
No
Blade cross-section
Involute – rolled inward on upper surface

Blades 10 to 20 inches long, less than 1/8 inch wide, thread-like, stiff, bluish and ascending.

Sheath is hairy
No
Tufts of hair top of sheath or collar
No
Ligule
Membranous
Auricles
No

Good, highly palatable when the seedheads and blades are green, furnishes considerable forage in some areas. It does not maintain itself well, however, under heavy grazing or grazing during the dormant period.