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Lolium perenne, common name perennial ryegrass, [1] English ryegrass, winter ryegrass, or ray grass, is a grass from the family Poaceae. It is native to Europe, Asia and northern Africa, but is widely cultivated and naturalised around the world. Lolium perenne, showing ligule and ribbed leaf
Lolium multiflorum (Italian rye-grass, [2] annual ryegrass) is a ryegrass native to temperate Europe, though its precise native range is unknown. [3] It is a herbaceous annual, biennial, or perennial grass that is grown for silage, and as a cover crop. [4] [5] It is also grown as an ornamental grass.
Notwithstanding the reference to annual plant in its name, perennial bio-types do exist. [2] This grass originated as a hybrid between Poa supina and Poa infirma . [ 3 ] Major chromosomal rearrangements after polyploidy have contributed to variation in genome size in Poa annua .
Poa pratensis is a herbaceous perennial plant 30–70 centimetres (12–28 in) tall. The leaves have boat-shaped tips, narrowly linear, up to 20 centimetres (8 in) long and 3–5 millimetres (0.12–0.20 in) broad, smooth or slightly roughened, with a rounded to truncate ligule 1–2 millimetres (0.039–0.079 in) long.
The primary species found worldwide and used both for lawns and as a forage crop is perennial ryegrass (Lolium perenne). Like many cool-season grasses of the Poaceae, it harbors a symbiotic fungal endophyte, either Epichloë or its close relative Neotyphodium, both of which are members of the fungal family Clavicipitaceae. [10] [11]
Festuca (fescue) is a genus of flowering plants belonging to the grass family Poaceae (subfamily Pooideae).They are evergreen or herbaceous perennial tufted grasses with a height range of 10–200 cm (4–79 in) and a cosmopolitan distribution, occurring on every continent except Antarctica. [2]
Timothy [2] (Phleum pratense) is an abundant perennial grass native to most of Europe except for the Mediterranean region. It is also known as timothy-grass, meadow cat's-tail or common cat's tail. [3] It is a member of the genus Phleum, consisting of about 15 species of annual and perennial grasses.
Miscanthus giganteus - a perennial crop with high yields and high GHG mitigation potential. Perennial sunflower - a perennial oil and seedcrop developed through backcrossing genes with wild sunflower. Perennial grain - more extensive root systems allow for more efficient water and nutrient uptake, while reducing year-round erosion due to rain ...