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Medicinal and aromatic plants are offered in a wide variety of products on the market. At least every fourth flowering plant is used. The enormous demand in botanicals results in a huge trade from local to international level. In the 1990s, the reported annual worldwide importation of pharmaceutical plants amounted on average to 400,000 t valued at USD 1,224 million. The international trade is dominated by only few countries. About 80 % of the worldwide imports and exports are allotted to only 12 countries with the dominance of temperate Asian and European countries. Whereas Japan and the Republic of Korea are the main consumers of pharmaceutical plants, and China and India are the world's leading producing nations, Hong Kong, the USA and Germany stand out as important trade centres. Until now, the production of botanicals relies to a large degree on wildcollection. However, utilization and commerce of wild plant resources are not detrimental in themselves, but, for example, the increasing commercial collection, largely unmonitored trade, and habitat loss lead to an incomparably growing pressure on plant populations in the wild. Worldwide an estimated 9,000 medicinal plant species are threatened. Conservation concepts and measures which have to meet future supply and the provisions of species conservation range from resource management, cultivation, shifting processing from consumer to source countries, species conservation to trade restrictions or even trade bans. Medicinal and aromatic plants are of high priority for conservation action, as wild-crafting will certainly continue to play a significant role in their future trade: the sustainable commercial use of their biological resources may provide a financial instrument for nature conservation.

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