Abstract
Understanding phyto-geographical distribution pattern and ethnobotanical applications are critical for comprehensive conservation and utilisation of native plant genetic resources. Dearth of such scientific reports on Corchorus species in India seriously compromises inclusiveness, precision and penetration of national endeavour to conserve the valuable resources. In this context, an ecogeographical study conducted to analyse geographical distribution, ecological adaptation, species richness and ethnobotanical applications of the genus in the country. The study revealed pandemic distribution of the genus with differential habitat preferences. Combine geographical, edaphic and precipitation based distribution profile of Corchorus spp. demonstrated multilayer interactions between species and environment that led to their differential spatial distribution. The highest species concentration was found in Tamil Nadu followed by Gujarat, Rajasthan, Madhya Pradesh and Maharashtra. Complementarity analysis showed that the major diversity hotspots for the genus present in Tamil Nadu and Gujarat. Besides, wide spectrum ethnobotanical applications of the genus reflect their long association with prevailing ethnic communities across regions. Documentation of such time honoured traditional practices has special bearing on designing comprehensive conservation and management strategies. This information will help to prioritise both ex-situ and in-situ conservation efforts for the genus particularly in ecologically vulnerable sites of India.
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