Agricultural, Turf
perennial ryegrass, Italian ryegrass
CaryopsisCaryopsis:
The single-seeded fruit or grain of the grass family (Poaceae); the fruit wall (pericarp) is united with the seed coat (testa).
Lanceolate
Light brown
Smooth and shiny
No awnsAwn:
A narrow, bristle-like organ, as on the glumes or lemmas of grasses (Poaceae).
; some nerves on apicalApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
half converging at apexApical:
The distal end of the fruit or seed away from the point of attachment or attachment scar.
.
Usually the same length as the lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
; margins with serrate teeth.
RachillaRachilla:
The axis of a spikelet.
is flat or strap-like; callusCallus:
The hard base of grass florets or spikelets, just above the point of disarticulation.
is straight and wide.
This species has no awnsAwn:
A narrow, bristle-like organ, as on the glumes or lemmas of grasses (Poaceae).
. Surface of both 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.
is smooth and shiny. Sides of the floretFloret:
A small flower in a clustered inflorescence (e.g., sunflower, grasses). In grasses, a floret consists of the lemma, palea, stamens, and pistil.
tend to be parallel. RachillaRachilla:
The axis of a spikelet.
is flat.
Not listed
Included
For more information, see ISMA fact sheet.
Poaceae
Lolium perenne L.