IK db. Date from Index Herb. Sin.: 188 (1993). 'Csao' is a misprint.
Example of Name Published
Tetrastigma hypoglaucum var. puberulum W.T. Wang & Z.Y. Cao in Acta Phytotax. Sin., 17(3): 83 (1979). See also Morus macroura var. mawu (Koidz.) C.Y. Wu & Z.Y. Cao in Acta Bot. Yunnanica, 17(2): 153 (1995).