Bromus racemosus

Species category

Weed

Common name

bald brome, meadow brome

Diagnostic characters

Planting unit

FloretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.

Shape

Lanceolate

Size

  • Length: 10 mm
  • Width: 2 mm
  • Thickness: 2 mm

Color

Brown

Texture

Smooth and glabrousGlabrous:
Lacking hairs or pubescence.

Lemma

Strong central nerve; stiff, broad, and usually enrolled, obscuring much of the paleaPalea:
One of the thin bracts of grass floret enclosing the fruit (caryopsis) that is located on the side opposite the embryo.
.

Palea

Transversely rounded, stiff; spaced hairs on the margins.

Other structures

Flat awnAwn:
A narrow, bristle-like organ, as on the glumes or lemmas of grasses (Poaceae).
arising near the terminal end of the lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
; rachillaRachilla:
The axis of a spikelet.
wider at the apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
than at the base.

Identification notes

 Caryopsis is laterally rounded like the paleaPalea:
One of the thin bracts of grass floret enclosing the fruit (caryopsis) that is located on the side opposite the embryo.

Comments

Previously known as Bromus commutatus.

Noxious weed seed categories

State Noxious Weed: Alabama, Arkansas, Florida, Georgia, Kansas, Louisiana, Mississippi, South Carolina, Tennessee, Texas

AOSA examination list

Included

Nomenclature

Family

Poaceae

Valid name

Bromus racemosus L.

Synonyms

Bromus commutatus Schrad. 
Bromus commutatus Schrad. var. apricorum Simonkai
Bromus popovii Drobow

 Bromus racemosus.  Florets with an awn arising near the terminal end of the lemma. 
Bromus racemosus. Florets with an awn arising near the terminal end of the lemma.