Grass family (Poaceae)
Perennial grass with below-ground stolons, forming loose sward. Generative stems heights 60-120 cm tall, with smooth blade. Blades blue-green, flaccid and pendulous. Ligules large, white, blunt or torn at tip. Panicle large, loose, bent at tip, with very narrow branches arranged 4-7 to a whorl. Droops more after flowering. Spikelets few in number, length up to 4 mm, pale green. Flowers May-Jul. Grows on mesic to moist, moderately-fertile or nutrient-rich soils, in oak-lime-hornbeam or riparian forest, though also colonises mixed/pine forests.
Descriptions devised by the team at the Independent Department of Forest Botany, Warsaw University of Life Sciences, i.e. L. Witkowska-Żuk, K. Marciszewska, W. Ciurzycki, A. Obidziński and P. Zaniewski.