Floristic Diversity, Conservation Status and Distribution of Medicinal Plants in Phu Phan forest complex: Northeastern Thailand

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Rutchanee Chantraket


The objectives of this study were to analyze the species diversity of medicinal plants as well as their distribution and conservation status in Phu Phan forests, Northeastern Thailand based on the LBSDC Project. The project conducted by MNRE from July 2006 to January 2009, covering a sample of 49 plots in 4 provinces. As a result, the Thai Medicinal Plants has been covered 429 species belonging to 102 families; among them, 64 species are in the family Leguminosae. The top five dominant species with a high Important Value Index (IVI) were Shorea obtusa Wall., S. siamensis Miq., Dipterocarpus obtusifolius Teijsm.ex Miq, Xylia xylocarpa Taub. var. kerrii Nielsen and Pterocarpus macrocarpus Kurz. Shannon-Wiener species Index (H’), Species Diversity (D) and Evenness Index (J) were 3.84, 46.42, and 0.74 respectively. Of all the 50 species, 16 were classified into Red List species. The results of this study can be used as depth information for developing other tools for further planning and management of medicinal plants including their native forests in other regions of Thailand.


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