Scientific name: Ipomoea eriocarpa R. Br. 1810 (CCVN, 2:985)English name: Vietnamese name: Bìm lôngOther name: Convolvulus ericarpus (R. Br.) Spreng. 1825. - C. hispicus Vahl, 1794. - Ipomoea hispida (Vahl) Roem. & Schult. 1819, non Zucc. (1809), nec Parodi (1877);