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硬拂子茅是典型的无性系禾草，分蘖节存活时间最多为４年。割草场和放牧场硬拂子茅无性系种群分蘖株均属于增长型年龄结构。家畜采食能促进２、３龄分蘖株的形成与存活。１龄级分蘖株的生产力明显高于２龄级。根茎的存活时间最多为３年。根茎的物质贮存能力以１龄级最大，随着龄级的增加不断减小。放牧扰动对硬拂子茅无性系种群各龄根茎的养分贮藏均有不利影响。割草场和放牧场硬拂子茅潜在无性系种群均属于增长型的年龄结构。
Hard cedar is a typical clonal grass, tillering node survival time of up to 4 years. Mowing and pasture grazing hard clonal climatic population tillers belong to the growth-type age structure. Livestock feeding can promote the formation and survival of tillers at the second and third instars. The productivity of 1-age-class tillers was significantly higher than that of 2-age-class. Rhizome survival time up to 3 years. The storage capacity of rhizomes is the largest in the first instar, and decreases with the increase of the age. Disturbance of grazing had adverse effects on the nutrient storage of rhizomes of clonal cudgella population at all ages. The potential clonal populations of mow and cedar in the pasture and pasture all belong to the growing age structure.