Any of several grasses of the genus Phleum, especially P. pratense, native to Eurasia, and P. alpinum, of North America, having a dense cylindrical inflorescence of compressed, one-flowered spikelets and widely cultivated for hay.

• 梯牧草各种梯木草属草本植物，尤指产于欧亚的梯牧草和产于北美的高山梯牧草，有一个浓密圆锥状花序，紧缩的单花小穗，大量种植用作干草