Weed
ripgut 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.
Lanceolate and long
Brown; base dark brown becoming lighter toward the apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
Short hispid hairs on the lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
; hairs on the callusCallus:
The hard base of grass florets or spikelets, just above the point of disarticulation.
.
ApexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar. bifid; nerves evident but not ridged.
Hairs on margins are short, coarse, and widely spaced.
AwnAwn:
A narrow, bristle-like organ, as on the glumes or lemmas of grasses (Poaceae).
arises from the lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.. The rachillaRachilla:
The axis of a spikelet.
is long. The callusCallus:
The hard base of grass florets or spikelets, just above the point of disarticulation. has a rounded point.
AwnAwn:
A narrow, bristle-like organ, as on the glumes or lemmas of grasses (Poaceae). is one to two times longer than the lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.. CaryopsisCaryopsis:
The single-seeded fruit or grain of the grass family (Poaceae); the fruit wall (pericarp) is united with the seed coat (testa).
is long and thin.
State Noxious Weed: Arizona, Wyoming
Included
For more information, see ISMA fact sheet.
Poaceae
Bromus diandrus Roth subsp. rigidus (Roth) Lainz
Anisantha rigida (Roth) Hyl.
Bromus diandrus Roth var. rigidus (Roth) Sales
Bromus maximus Desf., non Gilib.
Bromus rigidus Roth
Bromus villosus Forssk., non Scop.
