The genet characters and the ramet population characters of the rhizomatous shrub,Hedysarum laeve,in Mu Us Sandland were investigated.

• 通过对毛乌素沙地常见的豆科根茎灌木羊柴的基株和分株种群的调查研究，揭示植物的克隆生长的生态适应意义。