Abstract:

There are 20 speies in seven genera of aroids in Wuliangsham Mountains. They distribute in drifferent areas according to their own ecological habits. The genera can be divided into four areal-types, which can indicate the floristical relationships be-tween the target and its concerned regions. The geographcal affinity of species is also Preliminary discussed.

Key words: Wuliangshan, aroids, geographical distribution.