Why do you think some types of medicinal plants need to be preserved
Answers
More than one-tenth of plant species are used in drugs and health products, with more than 50,000 species being used. However, the distribution of medicinal plants is not uniform across the world. For example, China and India have the highest numbers of medicinal plants used, with 11,146 and 7500 species, respectively, followed by Colombia, South Africa, the United States, and another 16 countries with percentages of medicinal plants ranging from 7 % in Malaysia to 44 % in India versus their total numbers of plant species. Certain plant families not only have higher numbers of medicinal plants, but also have higher proportions of threatened species than others. Only a portion of medicinal plants that suffer from genetic erosion and resource destruction have been listed as threatened