Scientific Family
Poaceae
Synonyms
Bromus inopinatus, Festuca inermis, F. inermis var. inermis, F. inermis var. villosa, Poa bromoides and more. See SEINET.
Other common names
awnless brome
brome inerme
Hungarian brome
Plant type
Grasses
Riparian
No
Grass Description
Origin
Introduced
Season
Cool
Warm
Found in disturbed areas, frequently escapes to roadsides, ditches and moist wooded areas.
Plant Community
Disturbed Areas
Low elevation
6000
High elevation
9000
Similar species
B. pumpellianus, B. riparius
General Description
Tall rhizomatous sod forming perennial, blades wide and long, seedhead robust.
Perennial rhizomatous plant, with erect smooth, one or few seedhead stems; 20 to 50 inches tall; smooth sheaths; most blades have a pinched area that looks like a “Wâ€; nodes and leaf blades rarely hairy.
Grass type
Perennial bunchgrass
Rhizomes
Yes
Stolons
No
Clump Diameter 2 ft or more
No
Bushy - highly branched
No
Height with Seedheads
24 inches or more
Seedhead Structure
Branched - open and spreading
Seedhead droops
No
First bloom month
June
Last bloom month
September
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
Seedheads are erect with ascending branches. Spikelets not strongly flattened, round in cross section before flowering. First glume 1-nerved. Lemmas awnless or with very short awns.
Vegetative Characteristics
Blade is hairy
Yes
Blade margins white
No
Blade cross-section
Flat
Blades 4 to 17 inches long, 1/4 to 3/4 inch wide, flat, usually smooth without hairs, rarely clothed with soft hairs or down.
Sheath is hairy
Yes
Tufts of hair top of sheath or collar
No
Ligule
Membranous
Auricles
Yes
Good, widely planted in the United States for pasture and hay.