Less frequent than common couch but still common in England. Less common in Scotland, Wales and Ireland. Can be a problem weed in localised patches, particularly on light sandy or gravelly soils.
Tall tufted perennial 30-120 cm. Spreads by tough creeping rhizomes. Distinguished from common couch by long serrated ligule and lack of auricles. Flower head has large, open panicle - often oval and green or frequently purplish in colour. Spikelets are small, narrow, single flowered and awnless.
Leaf blade: Dull green, flat, broad and tapering to fine point. Rough, ribbed and hairless. Rolled.