Endemic Asclepiads in Nilgiri biosphere reserve, India

While conducting field surveys to document gamopetalous flora of Nilgiri Biosphere Reserve, India, a special attention was given to document endemic asclepiad plant species. In addition to field surveys, consultation of herbarium and literature related to the flora of NBR revealed that a total of 38 endemic taxa of have been documented of which some of them categorized as Critically Endangered (5 species) followed by Endangered (5), Vulnerable (4) and Possibly extinct (1) by several authors. Based on habit analysis 18 species are categorized as twiners.