Species Composition and Utilization Values of Oil Plants in Xuan Nha Special-use Forest, Son La Provine

This study was conducted to assess the resources of oil plants in Xuan Nha special-use forest, Son La province. The survey period was conducted from July 2018 to June 2021. The results showed that there were 317 species, 196 genera of 62 families belonging to Pinophyta and Magnoliophyta. In addition to the value for essential oils, many species had other values such as 256 medicinal species, 105 edible species, 66 timber species, 35 bonsai species, 20 wine additive  species, 9 species used for animal feeds, 7 dye-containing species and 3 poisonous species. The spectrum of life forms of identified species included: SB = 63.41Ph + 11.99 Th + 11.04Cr + 7.57Hm + 5.99 Ch. We have identified 24 species of plants as being endangered in the Vietnam Red Book (2007), 12 species listed in the Governmental Decree and 10 species in the red list of IUCN (2021). These are species with a small number of individuals that need to have policies for conservation and development.