Yellow Oat-grass Trisetum flavescens Coirce búi Family: Poaceae Flowering June-July. Perennial. Native. Identification by Paul Green Loose, spreading flowerheads with shiny, yellowish spikelets. The lemmas have pointed tips ending in two teeth with bent awns. Tufts of soft, flat leaves with hairy upper surfaces and collar-like ligules. Height 30-60cm. Found in well-drained neutral and calcareous grasslands and old hay meadows, on banks and roadsides.

     



Yellow Oat-grass, Trisetum flavescens. Roadside, Rock Island, Co. Cork. June 2009