Skye Flora

Perennial Ryegrass


Lolium perenne

Taxonomic note: here treated as a seperate species from L multiflorum which is sometimes treated as L perenne ssp multiflorum

Lolium perenne

Photo © Carl Farmer
10 Aug 2002 Broadford

Common on roadsides and rough ground

Spikelets c 8-12 mm long.  Plant up to 50 cm high.

Skye ID: Spikelets alternating up the axis, with only one glume except for the terminal spikelet which has two.  No awns.  (If awns present then L multiflorum)

Other features: Perennial, often tufted.  Spikelets typically have 8-11 florets.  Their inner edge fits into a hollow in the axis instead of having a glume on that side.  Leaves up to 6 mm wide.  Ligule very short and squared-off, c 1 mm high.

This grass is native but various cultivated strains of it are often sown.  It can hybridise in the wild with L multiflorum, and there are also hybrid cultivars.

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Lolium perenne

Photo © Carl Farmer
11 Jun 2002 Seahouses, Northumbria

 

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