Hindu Kush is the largest mountain range of Central Asia that forms part of a vast alpine zone that stretches across the Eurasia from east towards the South Asia. We studied vegetation structure and the role of edaphic and topographic factors on distribution and formation of plant associations with specific emphais on Parrotiopsis species of the Districts Dir regions in the Hindu Kush Mountains. We also assessed the conservation status of Parrotiopsis jacquemontiana, an endemic species of the western Himalayan floristic province. We hypothesized that edaphic and climatic factors were responsible for the formation of different plant associations each with distinct indicators. A combination of transect and quadrat based methods were used for sampling. We used two way cluster analysis (TWCA), cluster analysis (CA), indicator species analysis, detrended correspondence analysis and canonical correspondence analysis to analyze and elaborate the vegetation pattern and formation. We used Google Earth Path software (V 1.4.6) for the calculation of extant of occurrence (EOO) and area of occupancy (AOO) for evaluation of conservation status of P. jacquemontiana. A total of 142 plant species were reported belonging to 62 families. CA and TWCA clustered four plant associations within altitudinal range of 1556–2313 m. Parrotiopsis jacquemontiana should be designated as endangered species under ‘EN A2acd; B1B2 bc (i, ii, iii) of IUCN red list categories and criteria in the region. We found that high phosphorous and potassium concentration, elevation, aspect, slope, lower pH, electrical conductivity and soil texture were significant environmental variables that play an important role in the determination of vegetation structure, formation of plant associations and its indicators in the region. This information will be useful for conservation and management practices for endemic and rare plant taxa, and evaluation of vegetation structure.

兴都库什（Hindus Kush）是中亚最大的山脉，形成了一个广阔的高山地带的一部分，该高山地带从东向南亚横跨欧亚大陆。我们研究了兴都库什山脉地区迪尔地区鹦鹉螺属物种的植被结构以及植被和地形因子对具特定经验的植物协会的分布和形成的作用。我们还评估了Parrotiopsis jacquemontiana的保护状况，是喜马拉雅西部花卉省的特有物种。我们假设，深层和气候因素是导致不同植物协会形成的原因，每个协会都有不同的指标。结合了基于断面和正交的方法进行采样。我们使用了双向聚类分析（TWCA），聚类分析（CA），指示剂种类分析，去趋势对应分析和典范对应分析来分析和阐述植被格局和形成。我们使用Google Earth Path软件（V 1.4.6）来计算事件发生率（EOO）和占用面积（AOO）来评估雅克蒙塔克山的保护状况。据报告，共有142种植物属于62科。CA和TWCA在1556-2313 m的海拔范围内将四个植物协会聚在一起。根据EN A2acd，应将Parrotiopsis jacquemontiana指定为濒危物种。该地区IUCN红色清单类别和标准的B1B2 bc（i，ii，iii）。我们发现，高浓度的磷和钾，海拔，坡向，坡度，较低的pH值，电导率和土壤质地是重要的环境变量，这些变量在确定该地区的植被结构，植物协会及其指标方面起着重要作用。这些信息对于地方性和稀有植物类群的保护和管理实践以及植被结构评估将非常有用。