Agricultural
rice
SpikeletSpikelet:
One or more florets that are subtended by a pair of bracts called glumes. Spikelets are pedicellate if located on a pedicle and sessile if attached directly to the rachis. Often spikelets with single florets have remnants of a second floret, usually a lemma.
OvalOval:
Broadly elliptic.
Light brown
Striate with longitudinal ridges; scattered fine and appressedAppressed:
Pressed close or lying flat against something.
hairs.
Compressed with most hair fine and at apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
Texture like lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
AwnsAwn:
A narrow, bristle-like organ, as on the glumes or lemmas of grasses (Poaceae).
maybe present. GlumesGlume:
The pair of chaffy bracts that occur at the base of a grass spikelet, often completely enclosing it.
are short and appressedAppressed:
Pressed close or lying flat against something.
to base.
CaryopsisCaryopsis:
The single-seeded fruit or grain of the grass family (Poaceae); the fruit wall (pericarp) is united with the seed coat (testa).
is white. FloretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
is laterally compressed.
Seed of this species is considered noxious only as a contaminant. Check individual states for interpretations.
State Noxious Weed: Arkansas, Florida, Louisiana, Mississippi, South Carolina, Texas
Included
For more information, see ISMA fact sheet.
Poaceae
Oryza sativa L.
Oryza sativa L. var. fatua Prain
