English ryegrass

Names and Synonyms

Common Names

• English ryegrass
• perennial ryegrass
• Common Rye-Grass
• Perennial Rye-Grass
• Perennial Rye
• Strand Wheat
• ray grass
• winter ryegrass

Scientific Names

Accepted name

Synonyms

• Lolium perenne subsp. stoloniferum
• Lolium perenne subsp. trabutii
• Festuca perennis
• Lolium perenne var. humile
• Lolium perenne var. commune
• Lolium perenne var. orgiale
• Lolium perenne var. paleaceum
• Lolium perenne var. purpurascens
• Lolium perenne subsp. compositum
• Lolium perenne subsp. tenue
• Lolium perenne var. scabriculme
• Lolium tenue
• Lolium perenne subsp. cristatum
• Lolium trabutii
• Lolium perenne var. monstrosum
• Lolium perenne subsp. ramosum
• Lolium perenne var. paniculatum
• Lolium perenne var. angustifolium
• Lolium perenne var. ramosum
• Lolium perenne var. stickneiensis
• Lolium perenne var. stoloniferum
• Lolium perenne var. auriculatum
• Lolium perenne f. microstachyum
• Lolium perenne var. viviparum
• Lolium perenne var. confertum
• Lolium perenne var. whitworthiense
• Lolium perenne var. tenue
• Lolium perenne var. condensatum
• Lolium perenne var. furcatum
• Lolium repens
• Lolium halleri
• Lolium perenne var. geniculatum
• Lolium perenne var. longiglume
• Lolium perenne var. pacyanum
• Lolium perenne var. pauciflorum
• Lolium perenne var. polyanthum
• Lolium perenne var. ramosum
• Lolium cechicum
• Lolium perenne var. russellianum
• Lolium brasilianum
• Lolium perenne var. secundum
• Lolium jechelianum
• Lolium perenne var. sphaerostachuym
• Lolium perenne var. spicatum
• Lolium glumosum
• Lolium perenne var. spurium
• Lolium gmelinii
• Lolium perenne f. polyanthum
• Lolium perenne f. compositum
• Lolium marschallii
• Lolium perenne var. aristulatum
• Lolium perenne var. brasilianum
• Lolium perenne var. compressum
• Lolium perenne var. cristatum
• Lolium perenne f. tenue

Regional and Traditional Names

Sources: Wikidata, Catalogue of Life

Taxonomical Classification

This plant belongs to the kingdom Plantae and the phylum Streptophyta within the class Equisetopsida. It is further classified under the subclass Magnoliidae and the order Poales. Finally, it is a member of the family Poaceae and falls under the genus Lolium.

Sources: The World Checklist of Vascular Plants (WCVP)

Distribution

This plant exhibits a specific distribution pattern across the northern regions of Europe. It can be found growing in the landscapes of Denmark and Finland. Its presence extends to the island territories of Føroyar and Iceland. Furthermore, the species is widely distributed throughout Great Britain. These locations highlight its preference for northern European environments.

Sources: The World Checklist of Vascular Plants (WCVP)

Botanical Identification

Ecology

The ecology of Lolium perenne is characterized by its remarkable adaptability to diverse landscapes, showing a particular affinity for anthropic areas (Área Antrópica) where human activity has modified the terrain. This species exhibits a broad altitudinal distribution, ranging from sea level (0 m AMSL) up to a maximum elevation of 3500 m AMSL. On average, the plant is most commonly encountered at a mean elevation of 1200 m AMSL, reflecting its ability to thrive across a wide range of vertical gradients and environmental conditions.

Elevational range max:

3500 m AMSL

Elevational range mean:

1200 m AMSL

Elevational range min:

0 m AMSL

Habitat :

Área Antrópica

Life history

The life history of Lolium perenne is characterized by its classification as a perennial plant, allowing it to persist through multiple growing seasons. Structurally, it functions as a hemicryptophyte, a life form where the perennating buds are located at or just below the soil surface, protected by leaf litter or soil. This species maintains an evergreen status, retaining its green foliage throughout various seasons to maximize photosynthetic efficiency. Its growth habit and survival strategies are rooted in its hemicryptophytic nature, ensuring resilience across its extended lifecycle.

Deciduousness :

evergreen

Life form :

hemicryptophyte

Lifecycle :

perennial

Morphology

The morphology of Lolium perenne is characterized by its growth form as a non-woody, graminoid herb. As a self-supporting plant, it does not exhibit climbing or parasitic behaviors, functioning as an independent organism within its habitat. It is strictly a terrestrial species, lacking aquatic or epiphytic tendencies. In terms of stature, the plant exhibits variable height, with individual specimens typically ranging from a minimum of 0.08 m to a maximum of 0.9 m, resulting in an average plant height of approximately 0.54 m.

Aquatic :

terrestrial

Climber :

self-supporting

Epiphyte :

terrestrial

Growth form :

herb

Growth form :

graminoid

Parasite :

independent

Plant height max:

0.9 m

Plant height mean:

0.541666666666667 m

Plant height min:

0.08 m

Woodiness :

non-woody

Physiology

The physiology of Lolium perenne is characterized by a C3 photosynthetic pathway, which dictates its metabolic efficiency and carbon fixation processes. As a non-carnivorous species, it relies entirely on soil-based nutrient uptake rather than the absorption of organic matter through specialized structures. The leaf morphology displays significant variability, with leaf lengths ranging from a minimum of 0.1 cm to a maximum of 15 cm. The leaves are notably narrow, maintaining a mean width of 0.3 cm, with measurements spanning from a minimum of 0.1 cm to a maximum of 0.5 cm, resulting in a mean leaf size of 4.02 cm². Furthermore, the plant exhibits a mean Specific Leaf Area (SLA) of 256.68 cm²/g, a metric that reflects its leaf thickness and its strategy for optimizing light interception and resource allocation.

Carnivory :

non-carnivorous

Leaf length max:

15 cm

Leaf length min:

0.1 cm

Leaf size mean:

4.02 cm²

Leaf width max:

0.5 cm

Leaf width mean:

0.3 cm

Leaf width min:

0.1 cm

Photosynthetic pathway :

C3

Specific Leaf Area (SLA) mean:

256.68 cm²/g

Reproduction

The reproduction of Lolium perenne is characterized by a sexual process through bisexual flowers, although asexual reproduction is noted as absent. The plant produces a spike-type inflorescence, which varies in length from a minimum of 0.05 m to a maximum of 0.25 m. Flowering typically occurs during the month of June, with flower lengths ranging between 0.4 cm and 0.9 cm. The pollination syndrome is strictly abiotic, relying on wind to facilitate the transfer of pollen, and self-fertilization is absent. Following successful pollination, the plant produces dry fruits that contain a high density of seeds, typically ranging from 101 to 1000 seeds per fruit. The seeds themselves are quite small, with a mean length of 3 mm, a mean width of 1.1 mm, and a mean volume of 1.6 mm³. The seed mass is minimal, averaging approximately 0.0019687975 g, with values ranging from 0.00132 g to 0.00386 g. For dispersal, the species utilizes an anemochorous syndrome, meaning the seeds are dispersed by the wind.

Dispersal syndrome :

anemochorous

Flower length max:

0.9 cm

Flower length min:

0.4 cm

Flowering time :

Jun

Fruit dryness :

dry

Inflorescence :

spike

Inflorescence length max:

0.25 m

Inflorescence length min:

0.05 m

Pollination syndrome :

wind

Pollination syndrome :

abiotic

Reproduction asexual :

absent

Reproduction sexual :

bisexual

Seed length mean:

3 mm

Seed mass max:

0.00386 g

Seed mass mean:

0.0019687975 g

Seed mass min:

0.00132 g

Seed volume max:

1.6 mm³

Seed width mean:

1.1 mm

Seeds_per_fruit :

101-1000

Self fertilization :

absent

Sources: Global Inventory of Floras and Traits (GIFT)

Chemicals

Lolium perenne has 5 reported phytochemicals identified across 0 scientific publications and several other databases. The most consistently reported chemicals include ABA, CD, CU, PB, ZN.

ABA

1. Plant physiology and biochemistry : PPB

CD

1. Huan jing ke xue= Huanjing kexue

CU

1. Huan jing ke xue= Huanjing kexue

PB

1. Huan jing ke xue= Huanjing kexue

ZN

1. Huan jing ke xue= Huanjing kexue

Activities

Lolium perenne has 2 reported activities identified across 0 scientific publications and several other databases. The most consistently reported activities include Antidiabetic, Antioxidant.

Antidiabetic

1. Molecules (Basel, Switzerland)

Antioxidant

1. Molecules (Basel, Switzerland)

Conditions

Lolium perenne has 1 reported investigations on conditions identified across 0 scientific publications and several other databases. The most consistently reported conditions include heat stress.

Heat stress

1. Plants (Basel, Switzerland)