Abstract:Cryptocarya concinna is a dominant population in the zonal vegetation of south sub tropic evergreen forest.It appears in an extensive distribution in the low subtropical hills Cryptocarya concinna is a mesophytes which is early one to entry the succession community in a successional process.It has a higher photosynthesis rate,and it can develop rapidly when it got a fit site.The biomass and productivity of Cryptocarya concinna population are big in its community.It takes part in a very important...