摘 要 ：一个杂交（Agrostis x Polypogon）起源的属。颖片粗糙，先端急尖，有顶生短芒，像棒头草属（Polypogon）。小穗柄不具关节，颖片宿存，又像剪股颖属（Agrosrtis）。完全不育。
Abstract:The intergeneric hybrid Agrostis x Polypogon. It resembles Polypogon but has acute glumes with a short terminal awn, and the spikelets break up above the persistent glumes. It is quite sterile.