Melica spectabilis

Melica spectabilis is a species of grass known by the common names purple oniongrass and showy oniongrass.

Distribution
It is native to western North America from British Columbia to northern California to the Rocky Mountains, where it grows in moist meadows, forests, and other mountainous habitat.

Description
Melica spectabilis is a perennial grass which varies in maximum height from under 10 cm to nearly a meter, growing from rhizomes and stalked, onionlike corms. The inflorescence is a narrow series of spikelets which are green with evenly spaced purple bands.