Any of various grasses of the genus Bouteloua of western North America and South America,forming dense tufts or mats and often used as pasturage.
英
美
- 格兰马草,北美西部和南美的多种格兰马草属草本植物中的任何一种,其形成浓密的草丛或草垫,并常用作牧草。