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Elymus condensatus - giant wildrye

Scientific Family
Poaceae
Synonyms
Aneurolepidium condensatum, Elymus condensatus
Plant type
Grasses
Riparian
No

Grass Description

Origin
Native
Season
Cool
Warm

Dry hills and plains, adapted to a wide range of soils.

Plant Community
Desert Scrub
Grasslands
Interior Chaparral
Low elevation
0
High elevation
5000

General Description

Grows in bunches or clumps, stays green all year.

Tufted, weakly rhizomatous; stems 4 to 11 feet tall, 1/4 to 1/2 inch thick, several to many together; usually hairless except for fine hairs at or below nodes; blades tough; seedheads 6 to 17 inches long; 5 to 35 spikelets per node.

Grass type
Perennial bunchgrass
Rhizomes
Yes
Stolons
No
Clump Diameter 2 ft or more
No
Bushy - highly branched
No
Height with Seedheads
Greater than 36 inches
Seedhead Structure
Branched - contracted
Seedhead droops
No
First bloom month
May
Last bloom month
October

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

Seedhead 6 to 17 inches long, 3/4 to 2-1/2 inches wide, lower nodes with 2 to 6 branches, branches to 1/2 inch, ascending, with 5 to 35 spikelets, upper nodes with pedicellate (stalked) and sessile (unstalked) spikelets.

Vegetative Characteristics

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

Blades 3/4 to 1 inch wide, 8 to 24 inches long, top surfaces smooth, bottom surfaces rough, veins evident; strongly involute to flat.

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

Good for cattle, fair for wildlife, abundant forage in early spring.