Spermatophyte resources of Yinggeling Mountain, Hainan.

Based on an extensive fieldwork in Yinggeling Mountain,Hainan Island,the largest area and most pristine tropical rainforests of South China,a total of 1 706 species were recorded,belonging to 825 genera and 173 families.In respect of resource utilization,there were timber plants,medicinal plants,oil-bearing plants,aromatic plants,nectariferous plants,fiberrous plants,edible plants,ornamental plants,forage plants,green manure plants,starch plants,and pesticide plants.Assessments and suggestions on the sustainable utilization and conservation of the resources were given.