Ethnobotany is the science that investigates the relationship between intrinsic and cultural uses of plants, mainly focusing on how plants are used in all human societies (such as food, medicines, cosmetics, religious uses, such as dyes, textiles ; construction, such as tools, money, clothing, literature, rituals and social life). Herbs that help in the alleviation of human suffering and are used as food, home remedies and how to trade (Kunwar et al., 2006). The use of the conventional wisdom of medicine occurs in all communities around the world (Smitherman et al. 2005). As a result of the search continues to find a treatment for diseases that are specific to each community, has developed an extensive pharmacopoeia of medicinal plants (Kiringe 2006). According to the World Health Organization (WHO), approximately 80% of people around the world use traditional medicine for primary health care (WHO, 2002). Traditional medicine has achieved rapid economic importance in developing countries is undoubtedly one of the most accessible means of treatment and even the treatment is only (Reven et al., 2008).
Nature has been a source of medicinal resources for thousands of years and a large number of medicinal compounds have been isolated from plants. Plants produce a variety of bioactive molecules and is therefore an important source of healing, higher plants are still used in the maintenance of health in most communities, even with the advent of modern medicine (Farombi, 2003 .) World demand for herbal medicines is growing and the medicinal herbs market in 1999 was $ 19.4