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Japanese brome

Also known as: Japanese bromegrass, Japanese chess

Bromus japonicus Thunb.

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Japanese brome
Japanese brome
Japanese brome

Morphology

Culm
Erect or spreading, slender, bent at base; nodes swollen, brownish.
Blades
Flat, 3 to 8 inches long, .1 to .2 inch wide, usually densely hairy with conspicuous gray hairs, midrib prominent.
Sheath
Densely velvety pubescent.
Ligule
Membranous, tip erose.
Inflorescence
Panicle, open, 3 to 8 inches long, usually drooping to one side when mature; branches of different lengths, in whorls, spreading, often zigzag, each branch bearing 1-5 spikelets at tip.
Spikelets
Flattened, often hairy, .6 to 1 inch long, about .2 inch wide, 6 to 13 flowered; awn prominent, 1/4 to 3/4 inch long, often bent or twisted at maturity.

Ecology

Habitat
Found in dry or moist waste areas, disturbed sites, fields, or roadsides.
Distribution
Occurs throughout Kansas.
Reproduction
Reproduces by seeds.

Practical Information

Forage Value
Can provide good forage value when grazed early in the growing season.
Uses
Prairie chickens are known to consume the seeds.

Additional Notes

Comments

A widespread weedy grass that forms colonies.

Quick Facts
Plant Type
Grass
Family
Poaceae - Grass Family
Life Span
Annual
Height
12-30 inches
Origin
Introduced
Last Updated
2021-08-27
Flowering Period
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Blooms: May, June, July