Bromus biebersteinii

Species category

Agricultural

Common name

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

SpatulateSpatulate:
Having a narrow base and rounded apex. Pear-shaped.
, long, and flat

Size

  • Length: 12 mm
  • Width: 2 mm
  • Thickness: 1 mm

Color

Brown

Texture

Smooth and papery

Lemma

Flat, widest two-thirds from the base

Palea

Flat, margins have strong, uniformly spaced teeth

Other structures

Hairy rachillaRachilla:
The axis of a spikelet.

Identification notes

Double floretsFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
are often found. This species can be confused with B. inermis. However B. inermis has weak and numerous paleaPalea:
One of the thin bracts of grass floret enclosing the fruit (caryopsis) that is located on the side opposite the embryo.
margin teeth, whereas B. biebersteinii has strong uniformly spaced teeth.

Noxious weed seed categories

Not listed

AOSA examination list

Not included

Nomenclature

Family

Poaceae

Valid name

Bromus biebersteinii Roem. & Schult.

Synonyms

Bromopsis biebersteinii (Roem. & Schult.) Holub

Top- Bromus biebersteinii.  Bottom- Bromus inermis . Florets with a hairy rachilla.
Top-Bromus biebersteinii. Bottom-Bromus inermis. Florets with a hairy rachilla.
Top- Bromus biebersteinii.  Bottom- Bromus inermis . 64X. Florets with strong, uniformly spaced teeth.
Top-Bromus biebersteinii. Bottom-Bromus inermis. 64X. Florets with strong, uniformly spaced teeth.