1. Culms up to 1. 5 m; upper glume of sessile spikelet thinly pilose. 秆可达1。5米；稀疏的无梗小穗的上面颖片具柔毛。
2. Pedicels of spikelet pair equal, as long as rachis internode; upper glume with 0. 5–1 mm mucro. 小穗对的花梗等于，倍于轴节间；上面颖片具0。5-1毫米短尖头。
3. This is a small variant, apparently of local distribution, distinguished mainly by the hairy upper glume of the sessile spikelet. 这一小相异，地区分布的表面上，按无梗小穗的有毛的上面颖片主要区分。
英英解释
n.
1. a small sharp-pointed tip resembling a spike on a stem or leaf
