Hordeum trifurcatum

About

Hordeum aegiceras, the grim barley, is a species of flowering plant in the family Poaceae. It is native to Mongolia, Tibet, Qinghai, and central China, and it has been introduced into other locales around the world, including Argentina and the U.S. state of Illinois. An annual reaching 40 to 80 cm, it is cultivated at elevations above 3,000 m (9,800 ft).

Summary from Wikipedia