Abstract:Stipa grandis P. Smirn, an important perennial tussock grass in the Inner Mongolia steppe in China, is palatable for livestock and rich in nutrients, and is grazed by cattle and sheep at different stages of its growth cycle. Form. Stipa grandis is one of the major formations of the moderately-temperate steppe in Central Asia, and has considerable ecological and economic importance as it is not only suitable for grassland farming, but also provides an environmental defense for the Beijing-Tianjin area. ...