Abstract
Survey on the floral diversity is an important activity to evaluate the existing flora. This study was carried out from 2018 to 2020 to investigate the flora existing in the roadside and ruderal areas between Şanlıurfa and Bozova, nearby Euphrates river. A total of 200 taxa belonging to 138 genera and 41 families were determined. 9 of these taxa are endemic to Turkey. Among the plants identified, there are 5 geophytes, 1 parasite and 14 cultivated plants. The families with the most taxa are Fabaceae (47), Asteraceae (30), Lamiaceae (15), Poaceae (13) and Brassicaceae (7). The genera with the dominant taxa are; Astragalus (7), Medicago (7), Trigonella (7), Vicia (5) and Trifolium (5). In distribution of plants in the study area, the Irano-Turanian elements (38%, 75 taxa) ranks first, Mediterranean elements second (15%, 30 taxa) and Euro-Siberian elements third (1%, 3). The botanical- and vernacular names and habit categories of the recorded plant taxa are cited systematically. Threats to these plants and possible conservation strategies are also discussed briefly.
 Bangladesh J. Plant Taxon. 28(1): 241-256, 2021 (June)
Highlights
Flora is the list of plant species that have a certain boundary and cover an area
Turkey is one of the very rich and interesting country in the world in terms of its flora due to the facts that it belongs to three different phytogeographical regions, it is rich in geological structure and location and climate diversity, and it houses 9996 plant species of 1320 genera under 167 families, including 3649 endemic taxa (Ekim, 2000; Güner et al, 2012)
Davis (1965) stated that Turkey serves as a gateway for the spread of Southwest Asian plants to Southern Europe, differentiation area for many species and breeds, it is very rich in terms of endemic species and it is the homeland of many cultivated plants
Summary
Flora is the list of plant species that have a certain boundary and cover an area. Flora of Turkey, refers to all plant species growing naturally in Turkey. Turkey is one of the very rich and interesting country in the world in terms of its flora due to the facts that it belongs to three different phytogeographical regions, it is rich in geological structure and location and climate diversity, and it houses 9996 plant species of 1320 genera under 167 families, including 3649 endemic taxa (Ekim, 2000; Güner et al, 2012). Peter Hadland Davis, visited Turkey many times, collected a lot of plant samples, and publised the nine volumes of "Flora of Turkey and the East Aegean Islands" in 1965-1985 (Davis, 1965-1985). The 10th volume was published by Davis et al (1988) and the 11th by Turkish Botanists (Güner et al, 2000). Davis (1965) stated that Turkey serves as a gateway for the spread of Southwest Asian plants to Southern Europe, differentiation area for many species and breeds, it is very rich in terms of endemic species and it is the homeland of many cultivated plants
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