Agricultural, Turf
annual 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
Minutely granularGranular:
Resembling or consisting of small grains or particles.
Fragile awnAwn:
A narrow, bristle-like organ, as on the glumes or lemmas of grasses (Poaceae).
(usually broken off); truncate base with straight callusCallus:
The hard base of grass florets or spikelets, just above the point of disarticulation.
.
About the same length as lemmaLemma:
One of two bracts of the grass floret; it is located on the side nearest the embryo and opposite the rachilla.
; serrate teeth on margins; sometimes fully exposed.
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.
This species is very similar to Lolium perenne except that the surface of L. ssp. multiflorum is not as smooth, and an occasional awnAwn:
A narrow, bristle-like organ, as on the glumes or lemmas of grasses (Poaceae). can be found. 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
Poaceae
Lolium perenne L. subsp. multiflorum (Lam.) Husnot
Lolium multiflorum Lam.
Lolium multiflorum Lam. var. diminutum Mutel
Lolium multiflorum Lam. ssp. italicum (A. Braun) Schinz & R. Keller
Lolium multiflorum Lam. var. muticum DC.
Lolium perenne L. var. aristatum Willd.
Lolium perenne L. ssp. italicum (A. Braun) Husnot
Lolium perenne L. var. multiflorum (Lam.) Parnell
