Another botanical name of this exotic and naturalised plant may be Manihot carthagenesis subsp. glaziovii. However, this name is considered a synonym of Manihot glaziovii in the Flora of China website.

Reference:

Teo S, Yeo RKH, Chong KY, Chung YF, Neo L, Tan HTW. The flora of Pulau Semakau: a Project Semakau checklist. Nature in Singapore 2011;4:263-272. | Read article |

Neo L, Yee ATK, Chong KY, Tan HTW. The vascular plant flora of abandoned plantations in Singapore I: Clementi Forest. Nature in Singapore 2012;5:275-283. | Read article |