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Ryegrass

 

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Ryegrass


 
 

Ryegrass (Lolium) is a genus of nine species of tufted grassGrass

Grass generally describes a monocotyledonous green plant in the family Poaceae, botanically regarded as true grasses....
es, family PoaceaePoaceae

The true grasses are monocotyledonous plants in the Family Poaceae, also known as Gramineae....
. Also called tares (even though there is no firm evidence that this is the same as the plant given that name in English language translations of the BibleBible

The Bible , is the name used by Jews and Christians for their differing canons of sacred texts....
 - vetches are another candidate), these plants are native to EuropeEurope

Europe is one of the seven traditional continents of the Earth....
, AsiaAsia

Asia is the largest and most populous continent or region, depending on the definition....
 and northern AfricaAfrica

Africa is one of the greatest sized continents of the Earth....
, but are widely cultivated and naturalised elsewhere. Ryegrasses are naturally diploid, with 2n = 14, and are closely related to the fescueFescue

Fescue is a genus of about 300 species of tufted grasses, belonging to the grass family Poaceae....
s Festuca.

Ryegrass should not be confused with RyeRye Overview

Rye is a grass grown extensively as a grain and forage crop....
, which is a grain crop.

Species

The following are accepted as distinct species:
  • Lolium canariense Steud. - Canary Islands Ryegrass
  • Lolium edwardii H.Scholz, Stierst. & Gaisberg
  • Lolium multiflorumLolium multiflorum

    Lolium multiflorum is a ryegrass native to temperate Europe, although the precise location of its origin is unknown....
    Lam. - Italian Ryegrass
  • Lolium perenneLolium perenne

    The Perennial Ryegrass is a tufted grass from the family Poaceae....
    L. - Perennial Ryegrass
  • Lolium persicum - Persian Ryegrass or Persian Darnel
  • Lolium remotum Schrank
  • Lolium rigidum Gaudin - Stiff Darnel, Wimmera Ryegrass
  • Lolium temulentumLolium temulentum

    Lolium temulentum, typically known as darnel or cockle, is an annual plant that forms part of the Poaceae fa...
    L. - Darnel, Poison Darnel

Cultivation and uses

Ryegrasses contain some species which are important grasses for both lawnLawn

A lawn is an area of recreational or amenity land planted with grass, and sometimes clover and other plants, which are maint...
s, and as pasturePasture

Pasture is land with lush herbaceous vegetation cover used for grazing of ungulate livestock as part of a farm or ranch....
 and for grazing and hayHay

Hay is dried grass or legumes cut and used for animal feed....
 for livestockLivestock

Livestock is the term used to refer to a domesticated animal intentionally reared in an agricultural setting to make produce suc...
, being a highly nutritious stock feed. Ryegrasses are also used in soilSoil

Soil is the collection of natural bodies that form in earthy material on the land surface....
 erosionErosion

Erosion is the displacement of solids by the agents of wind, water or ice, by downward or down-slope movement in response t...
 control programs. It is the principal grazing grass in New ZealandNew Zealand

New Zealand is a country in the south-western Pacific Ocean consisting of two large islands and many much smaller islands, m...
 where some 10 million kilograms of certified seed are produced every year. There is a large range of cultivarCultivar

A cultivar is a cultivated plant that has received a name under the International Code of Nomenclature for Cultivated Plan...
s. The primary species found worldwide and used for both lawns and as a forage crop is perennial ryegrass (Lolium perenne). Like many cool-season grasses, it is often infected by a clandestine, fungal endophyte which lives symbiotically within its leaves.

Some species, particularly L. temulentum, are weedWeed Overview

A weed is often an unwanted, usually wild or feral, plant....
s which can have a severe impact on the production of wheat and other crops. Ryegrass pollenPollen

Pollen, sometimes incorrectly called flower sperm, is a fine to coarse powder consisting of microgametophytes ...
 is also one of the major causes of hay feverHay fever

Seasonal allergic rhinitis, also called pollinosis, hay fever or nasal allergies, and often also written t...
.

Synonyms

  • L. ambiguum = Lolium multiflorum
  • L. annuum = Lolium temulentum
  • L. arundinaceum = Festuca arundinacea
  • L. berteronianum = Lolium temulentum
  • L. brasilianum = Lolium perenne
  • L. canadense = Lolium perenne
  • L. crassiculme = Lolium rigidum
  • L. cuneatum = Lolium temulentum
  • L. dorei = Lolium persicum
  • L. giganteum = Festuca gigantea
  • L. gracile = Lolium temulentum
  • L. lepturoides = Lolium rigidum subsp. lepturoides
  • L. marschallii = Lolium perenne
  • L. parabolicae = Lolium rigidum
  • L. pratense = Festuca pratensis
  • L. remotum = Lolium temulentum subsp. remotum
  • L. romanum = Lolium multiflorum
  • L. scabrum = Lolium multiflorum
  • L. siculum = Lolium multiflorum
  • L. subulatum = Lolium rigidum subsp. lepturoides
  • L. teres = Lolium rigidum subsp. lepturoides
  • L. trabutii = Lolium rigidum