7/21/2019 This Species Originated in North America and Shows a Wide Genetic Variability for a Range of Climatic Conditions

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this species originated in North America and shows a wide genetic

variability for a range of climatic conditions, this plant is a bushy

perennial Gramineae with short and dark rhizome, producing many

culms up to 2m high and with aerial development of 0,60,! m in

optimal conditions" it presents persistent leaves, plane and glabrouslamine up to 0,6 m long and 2 cm wide, but sometimes lightly

pubescent at the base" the root system is characterised by numerous

cylindrical roots that are able to reach depths of #$ m"

root are able to grow up to 0,6 m within the %rst2 years"