The botanical name, Dioscorea polyclados, was used in older publication [1-2] although this name was not found in the Plants of the World Online website.

Reference:

[1] Neo L, Yee ATK, Chong KY, Kee CY, Lim RCJ, Ng WQ, Ng XY, Tan HTW. The vascular plant flora of Bukit Batok, Singapore. Nature in Singapore 2013;6;265-287. | Read article |

[2] Ho BC, Lua HK, Ibrahim B, Yeo RSW, Athen P, Leong PKF, Ibrahim A, Koh SL, Ibrahim H, Lindsay S, Chin LL, Seah WW, Middleton DJ. The plant diversity in Bukit Timah Nature Reserve, Singapore. Gard Bull Singapore 2019;71(Suppl. 1):41-134. | Read article |