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Muhlenbergia torreyi - ring muhly

Scientific Family
Poaceae
Synonyms
Muhlenbergia gracillima
Plant type
Grasses
Riparian
No

Grass Description

Origin
Native
Season
Warm

Grows on dry ridges, sandy mesas, calcareous rock outcrops, and rocky slopes.

Plant Community
Grasslands
Interior Chaparral
Pinyon Juniper Woodlands
Low elevation
4000
High elevation
6500

General Description

Ring muhly derives its name from the peculiar growth habit it characteristically develops. As the basal tuft becomes larger with continued growth, the center dies out, leaving a ring several inches to a few feet in diameter.

Seedhead is open and diffuse, usually less than 6 inches tall; leaf blades are usually curved like a sickle and no more than 3 inches long; often grows in patches that form rings.

Grass type
Perennial mat or sod-forming
Rhizomes
No
Stolons
No
Clump Diameter 2 ft or more
No
Bushy - highly branched
Yes
Height with Seedheads
12 inches or more
Seedhead Structure
Branched - open and spreading
Seedhead droops
No
First bloom month
July
Last bloom month
October

Flower Characteristics

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

Seedhead open, often purple, much branched, branches fine and spreading. Pedicels are as long or longer than the spikelets.

Vegetative Characteristics

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

Blades numerous, slender to the point of being threadlike, curved rather like a bow and inrolled at the edges; from 3/8-3/4 inch long.

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

Fair palatability before midsummer, this is not a good forage species and its chief value is as a soil-binder on denuded range lands.