ECO-taxonomic studies of chagharzai valley district buner (Khyber Pakhtunkhwa) Pakistan

Eco-taxonomic and ethnobotanical studies were conducted in a chagharzai valley of district buner (kpk) pakistan in four consecutive years 2011-2014. during this study a total of 127 species belonging to 108 genera,distributed in 34 families were identified. the dominant community of the valley was pinus roxburghii,p. wallichiana and quercus incanna based on importance value index. the ivi of pinus roxburghii was (100.9),followed by pinus wallichiana (91.58) and under story species quercus incanna (64.45). bio-spectrum,leaf size classification of all the species was recorded. the soil of the study area showed a variation from sandy to loam or clay as well with acidic ph,low organic matter,water holding capacity and calcium carbonate while potassium is recorded up to 150 meq/lit in soil sample 3. the ethnobotanical study was carried out by interviewing the local elders and herbalists (hakeems),during this study 60 ethnobotanically important species were recorded. © 2017,pakistan botanical society. all rights reserved.