Cephalotaxus hainanensis is a species of conifer known by the common name Hainan plum-yew. It is endemic to the island of Hainan in southern China. It is possibly a synonym of Cephalotaxus mannii. This species grows in warmer temperate and subtropical rainforest habitat. When mature it is a tree 10 to 20 meters tall. It is sometimes a dominant species in the local ecosystem.