Abstract: The family Araceae with 105 genera and approximately 2500 species is almost world-wide in distribution,it inhabits most major ecological zones.In this papaer ther areas of genera are classified into 10 areal types and 31 subtypes ,anmely:(1)Pantopic with 8 genera,including 3 subtypes;(2)Old World Tropic with genera,includeing 3 subtypes;(3)Tropical Asia with 26 genera,including 5 subtypes;(4)Tropical Afical with 13 genera,including 5 Subtypes;(5)Tropical Australasia with 1 genus;(6)Neotropic with 32 genera,including 5 subtypes;(7)North Temperate with 6 genera,including 4 subtypes;(8)Meditteranea with 7 genera,includeing 3 subtypes;(9)Easterm Asia with one genus;(10)South Africa with 3 genera.

Key words: Araceae, Ecological phytogeography, Origin