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Lolium perenne

(Annual Rye Grass)

Overview

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Interesting Facts

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Common Names

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Click on the language to view common names.

Common Names in Afrikaans:

Meerjarige Raaigras

Common Names in Dutch:

Engels Raaigras

Common Names in English:

Annual Rye Grass, Annual Ryegrass, Common Ray, English Ryegrass, Italian Ryegrass, Perennial Rye Grass, Perennial Ryegrass, Rye Grass

Common Names in French:

Ivraie Vivace, Ray-Grass Anglais

Common Names in German:

Deutsches Weidelgras, Englisches Raygras

Common Names in Italian:

Loglierella

Common Names in Japanese:

Hoso-Mugi

Common Names in Polish:

źycica Trawała

Common Names in Portuguese:

Azevém-Vivaz, Lólio-Perenne

Common Names in Russian:

Plevel Mnogoletnij, плевел многолетний

Common Names in Spanish:

Ballico Perenne, Césped Inglés, Ray-Gras Ingles, Raygras

Description

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Physical Description

Species Lolium perenne

Perennial , turf-forming. Culms tufted , erect or spreading , sometimes prostrate and rooting from lower nodes, 30-90 cm tall, 3-4-noded. Leaf blades soft, 5-20 cm × 3-6 mm, glabrous , young blades folded; auricles to 3 mm; ligule 2-2.5 mm. Raceme stiffly erect, or rarely slightly curved , 10-30 cm; rachis glabrous, smooth , spikelets usually less than their own length apart. Spikelets 0.8-2 cm, florets 5-10, rachilla internodes ca. 1 mm, smooth, glabrous; glume lanceolate, 1/3 as long to subequaling spikelet, 3-9-veined, margins narrowly membranous, apex acute or obtuse ; lemmas oblong , herbaceous, 5-9 mm, 5-veined, smooth, apex obtuse to subacute , awnless; palea ciliolate along keels. Caryopsis length more than 3 times width . Fl. and fr. May-Jul. 2n = 14, 28. [source]

Habit: Graminoid

Flowers: Bloom Period: April, May. • Flower Color: pale green

Size/Age/Growth

Size: 6-12" tall.

Habitat

Meadows, grassy places, moist roadsides. Commonly cultivated in China [1].

Typically found at an altitude of 0 to 4,653 meters (0 to 15,266 feet).[2]

Biology

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Reproduction

Duration: Perennial

Growth

Sunlight: Sun Exposure: Full Sun .

Taxonomy

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Last Revised: 2012-05-01