The geographic distribution and floristic characteristic of Magnoliaceous 7 genera and 23 species in Jiangxi are studied in this paper.

摘要对江西木兰科植物7属23种的地理布和征行。

Gray clustering is a feasible method to assign these floristics to their suitable area, in which assorting vegetable and delineating the clustering objects by linear features are necessary.

在聚类中利用各级线性地物划聚类对象，并对种类繁多的植物简要类十重要。