What is "rhopalephora"

Rhopalephora is a genus of monocotyledonous flowering plants in the dayflower family, first described in 1864. It is native to Asia, Madagascar, and a few islands in the Pacific.

1. Rhopalephora micrantha (Vahl) Faden - Java
2. Rhopalephora rugosa (H.Perrier) Faden - Madagascar
3. Rhopalephora scaberrima (Blume) Faden - China (including Taiwan + Tibet), Indian Subcontinent, Indochina, Borneo, Java, Philippines
4. Rhopalephora vitiensis (Seem.) Faden - Maluku, Fiji, Samoa, Tonga