Miscanthus sinensis

Miscanthus sinensis is a species of flowering plant in the grass family Poaceae, native to eastern Asia throughout most of China, Japan, Taiwan and Korea. It is an herbaceous perennial grass, growing to tall, rarely , forming dense clumps from an underground rhizome. The leaves are tall and 0.3–2 cm broad. The flowers are purplish, held above the foliage. This plant is the preferred structure for the nesting of some species of paper wasps, such as Ropalidia fasciata.