Bromus arvensis

Common names: Field brome
Treatment appears in FNA Volume 24. Treatment on page 228.
Please click on the illustration for a higher resolution version.
Illustrator: Cindy Roché

Copyright: Utah State University

Plants annual. Culms 80-110 cm, erect. Lower sheaths with dense, soft, appressed hairs; ligules 1-1.5 mm, hairy, obtuse, erose; blades 10-20 cm long, 2-6 mm wide, coarsely pilose on both surfaces. Panicles 11-30 cm long, 4-20 cm wide, open, erect or nodding; branches usually longer than the spikelets, ascending to widely spreading, slender, slightly curved or straight. Spikelets 10-25 mm, lanceolate, terete to moderately laterally compressed, often purple-tinged; florets 4-10, bases concealed or visible at maturity; rachilla internodes concealed or visible at maturity. Glumes glabrous; lower glumes 4-6 mm, 3-veined; upper glumes 5-8 mm, 5-veined; lemmas 7-9 mm long, 1.1-1.5 mm wide, lanceolate, obscurely 7-veined, rounded over the midvein, glabrous, coriaceous, margins slightly angled, inrolled or not at maturity, apices acute, bifid, teeth shorter than 1 mm; awns 6-11 mm, straight, arising at varying distances below the lemma apices; anthers 2.5-5 mm. Caryopses shorter than the paleas, weakly to strongly inrolled. 2n = 14.


Conn., N.J., N.Y., Wash., Del., D.C., Wis., W.Va., Mass., Maine, N.H., R.I., Vt., Fla., Wyo., N.Mex., Tex., La., Tenn., N.C., S.C., Pa., Nev., Va., Colo., Md., Calif., Ala., Kans., N.Dak., Nebr., Okla., S.Dak., Miss., Ark., Ill., Ga., Ind., Iowa, Ariz., Idaho, Alta., B.C., Man., Ont., Que., Sask., Mont., Oreg., Ohio, Utah, Mo., Minn., Mich., Ky.


Bromus arvensis grows along roadsides and in fields and waste places at scattered locations in the Flora region. It is native to southern and south-central Europe.

Selected References


Lower Taxa

... more about "Bromus arvensis"
Leon E. Pavlickf +
Field brome +
Conn. +, N.J. +, N.Y. +, Wash. +, Del. +, D.C. +, Wis. +, W.Va. +, Mass. +, Maine +, N.H. +, R.I. +, Vt. +, Fla. +, Wyo. +, N.Mex. +, Tex. +, La. +, Tenn. +, N.C. +, S.C. +, Pa. +, Nev. +, Va. +, Colo. +, Md. +, Calif. +, Ala. +, Kans. +, N.Dak. +, Nebr. +, Okla. +, S.Dak. +, Miss. +, Ark. +, Ill. +, Ga. +, Ind. +, Iowa +, Ariz. +, Idaho +, Alta. +, B.C. +, Man. +, Ont. +, Que. +, Sask. +, Mont. +, Oreg. +, Ohio +, Utah +, Mo. +, Minn. +, Mich. +  and Ky. +
Introduced +
Gramineae +
Bromus arvensis +
Bromus sect. Bromus +
species +