Many species cause pattern heterogeneity only by their growth form or their aggregation or shoot clustering. 大多数植物种许多种类在分布格局上不一致的原因，仅是由于它们的生长型或它们的聚生性或由于簇生性的不同。
The results showed that the clonal growth form changed continuously by the birth and death regulation of daughter ramet and tiller. 结果表明，通过分株及其分蘖的出生与死亡调节，中国沙棘不断改变分株的克隆生长型。
