1. A new variety of Indigofera kirilowii in north-eastern China.

2. Objective By distinguishing Radix sophora subprostrata and Radix indigofera to prevent us from misusing them.

3. Conclusion The findings reveal that Indigofera bungeana is a valuable traditional medicine and worth further study.

4. On the correlations of variation pattern between taxa of Indigofera decora complex.

5. A further study on the correlations of variance and taxonomic ranks between taxa of Indigofera decora.