This enzyme belongs to the family of glycosyltransferases, specifically the hexosyltransferases. The systematic name of this enzyme class is UDP-glucose:cis-p-coumarate beta-D-glucosyltransferase.
References
Rasmussen S, Rudolph H (1997). "Isolation, purification and characterization of UDP-glucose:cis-p-coumaric acid-beta-D-glucosyltransferase from Sphagnum fallax". Phytochemistry. 46 (3): 449–453. doi:10.1016/S0031-9422(97)00337-3.