The experiment was established in Conghua city of Guangdong province by assessing the differences in stem diameter, the main cane length,total ash,ethanol extract,total flavonoids for 4-year-old Spatholobi caulis. The results indicated that there were obvious differences among the stem diameter,the main cane length,total ash,ethanol extract,and total flavonoids. Multiple objective decision analysis showed diverse results. For Spatholobus suberectus Dunn,three superior geographical provenances were selected with the method of multiple objective decision,one from Hezhoul of Guangxi and the other...
