Singh, R. Kr., et al. “Taxonomy and Typification of Endemic Climbing Shrub <i>Strophanthus wightianus< i> Wall. Ex Wight of Southern Western Ghats, India”. Indian Forester, vol. 146, no. 5, May 2020, pp. 469-71, doi:10.36808/if/2020/v146i5/145376.