百科词条
一年栽培作物,高约1m,叶片扁稍粗糙,长30-60cm,宽5-15cm;叶梢无毛,上部者短于节间,下部者长于节间,叶舌长15-25,mm,膜质,顶端尖而长2裂裂幼时有明显的叶耳,圆锥花絮疏散,成熟时向下弯垂,长15-30cm,分枝多,小穗长圆形,长7-8cm,两侧压扁,具脊,被小刚毛或无毛,而长2裂裂幼时有明显的叶耳,圆锥花絮疏散,成熟时向下弯垂,长15-30cm,分枝穗长圆形,长7-8cm,两侧压扁,具脊,被小刚毛或无毛,而长2裂裂幼时有明显的叶耳,圆锥花絮疏散,成熟时向下弯垂,长15-30cm,分枝