Branching intensity and rhizome length of L. virgaurea and L. sagitta increased with the increasing of resource level.
叶 橐吾的分枝强度、间隔子长度都随资源水平的增加而增加。
2
Mostly conclusion as follows:1. There is intra-inflorescence variation in raceme of L. virgaurea individual, and it's not limited by different population.
主要结论如下：1。黄帚橐吾个体总状花序内存在花序内变异，且不受种群差异的限制。
3
We use L. virgaurea, one of the species in Ligularia Cass, and research the intra-inflorescence variation in flowers and seeds by sampling and investigate in field.