Agricultural, Weed
field brome, Japanese brome
FloretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
ObovateObovate:
Inverted egg shaped with apical end the broadest.
Light brown to brown
Smooth
Folded, widest two-thirds from the base; much wider than the caryopsisCaryopsis:
The single-seeded fruit or grain of the grass family (Poaceae); the fruit wall (pericarp) is united with the seed coat (testa).
and strongly involute.
Papery with long bristles or teeth on the margins; much shorter than the lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
.
AwnAwn:
A narrow, bristle-like organ, as on the glumes or lemmas of grasses (Poaceae).
and rachillaRachilla:
The axis of a spikelet.
with the same scar width; awnAwn:
A narrow, bristle-like organ, as on the glumes or lemmas of grasses (Poaceae).
near the tip of the lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
.
The lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
and caryopsisCaryopsis:
The single-seeded fruit or grain of the grass family (Poaceae); the fruit wall (pericarp) is united with the seed coat (testa).
are strongly laterally compressed, and the lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
and paleaPalea:
One of the thin bracts of grass floret enclosing the fruit (caryopsis) that is located on the side opposite the embryo.
are nearly the same length.
Previously known as Bromus japonicus.
Included
For more information, see ISMA fact sheet.
Poaceae
Bromus arvensis L.
Bromus anatolicus Boiss. & Heldr.
Bromus japonicus Thunb.
Bromus japonicus Thunb. ssp. anatolicus (Boiss. & Heldr.) Penzes
Bromus japonicus Thunb. var. porrectus Hack.
Bromus patulus Mert. & W.D.J. Koch