Sinomenium is a genus of plant in family Menispermaceae first described as a genus in 1910.[2] It contains only one known species, Sinomenium acutum, native to China, northern India, Nepal, Japan, northern Thailand,[3] and also Korea.
Sinomenium macrofossils have been recovered from the late Zanclean stage of Pliocene sites in Pocapaglia, Italy.[4] Macrofossils of Sinomenium cantalense have been recovered from the Zanclean stage of the Pliocene epoch in Western Georgia in the Caucasus region.[5]