The present work summarises preliminary results of an ethnobotanical study in the Rhodope Mountains. The aim was to assess the traditional home use of medicinal plants for herbal tea by local people and to estimate the threats to the Balkan endemic Clinopodiumdalmaticum. Semi-structured interviews with local informants from 15 localities in Central and Eastern Rhodope Mountains were performed in 2015 and 2018. As a result, the most used plant species were listed. The major source of plants was recorded as being gathered from the wild. The plants, known with the local names “wild mint” and “white mint”, were identified as Clinopodiumdalmaticum from dried specimens presented by informants in Central Rhodopes. A frequent collection from wild populations of C.dalmaticum in Central Rhodope Mts. (Smoljan region) was revealed along with just a few cases of cultivation close to the studied sites.
Traditional knowledge of medicinal plants and their uses has been well documented in Bulgaria in the past. However, we know little about the contemporary traditional application of medicinal plants. Rhodopes Mountain is an ethnobotanically poorly studied region. This region is suitable for conducting field research in ethnobotany for several reasons: (i) our preliminary observation in a number of settlements revealed that the local population, in particular, relies solely on previously collected medicinal plants in winter months even in modern times; (ii) due to the relative isolation of the area, considerable authenticity of traditional methods of medicinal plant use is retained there. The aim of this study is ethnopharmacological and ethnobotanical research among the population of the Rhodopes to evaluate the contemporary use of medicinal plants. The field ethnobotanical data were collected through the in-depth method in combination with a semi-structured face-to-face interviews, adapted with modifications to the objectives of this study. The quantitative ethnobotanical index Use Value (UV) was calculated. Here we suggested a new approach in ethnobotanical research. We used nomograms to present a large volume of medicinal plants’ application data, classified by the degree of their UV. This allows for a much broader view of collected and processed data. Data analyses from our filed research showed that the 92 informants mentioned utilization of a total of 114 plant species belonging to 52 families and 110 genera. The most common plants were from the families Asteraceae (16.7%), Lamiaceae (12.3%), Rosaceae (9.6%) and Amrillydaceae (3.5%), followed by Crassulaceae, Plantaginacea, Oleaceae and Solanaceae. The data presented in six nomograms revealed the most popular plants, the way of application and the corresponding medical indications in the Central and East Rhodopes, and the differences between the two sub-regions. Sempervivum tectorum, Tussilago farfara and Plantago major are the most often reported plants in the Central Rhodopes while these are Cotinus coggygria, Prunus spinosa and Teucrium polium in the East Rhodopes. The results of the study show that in the Rhodopes, the contemporary application of traditional medicinal plants is pretty much vivid. The locals in the Rhodopes still use the traditional knowledge and rely on plants to treat various health problems. They use common plants in a sustainable manner and are open to the cultivation of Sideritis scardica—a species which became rare after overexploitation.
Rhodopes Mountain is ethnobotanically poorly studied, but our preliminary observation in a number of settlements revealed that even nowadays, the local population relies solely on previously collected medicinal plants. We aimed to assess the contemporary use of medicinal plants in the Central and East Rhodopes and the health conditions that local communities address with them. The ethnobotanical field data were collected through an in-depth method in combination with semi-structured face-to-face interviews, adapted with modifications to the objectives of this study. The following quantitative ethnobotanical indices were used in this study: informant consensus factor (ICF), fidelity level (FL), and Jaccard similarity coefficient or Jaccard index (JI). Data analyses from our field research showed that 92 informants mentioned the utilization of a total of 114 plant species. The results of this study reveal that in both regions of the Rhodopes, medicinal plants are mentioned most often in relation to diseases affecting nervous, respiratory, digestive, and cardiovascular systems, followed by reproductive, urinary, immune, and musculoskeletal. The risk of disruption or loss of traditional knowledge of medicinal plants is expected in the condition of cultural globalization. However, there is no metrified data about the use of medicinal plants in the Rhodopes from the past. The application of statistical indices in this research will make such assessment and monitoring possible in the future.
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