Chao-Yun, H., T. Yun-Hong, H. Li-Song, T. Le-He, C. Hai-Ping, Q. Xia-Wei, W. Gang, and W. Hua-Song. “<em>Piper peltatifolium</Em>, a New Species of Piperaceae from Hainan, China”. Phytotaxa, vol. 236, no. 3, Dec. 2015, pp. 291–295, doi:10.11646/phytotaxa.236.3.12.