Spathiostemon is a plant genus of the family Euphorbiaceae first described as a genus in 1826. It is native to Southeast Asia and Papuasia. Species 1. \n* Spathiostemon javensis Blume - Peninsular Malaysia, Borneo, Java, Lesser Sunda Islands, Philippines, Sulawesi, Maluku, New Guinea, Bismarck Archipelago 2. \n* Spathiostemon moniliformis Airy Shaw - S Thailandformerly included transferred to other genera (Clonostylis, Homonoia) 1. \n* Spathiostemon forbesii - Clonostylis forbesii 2. \n* Spathiostemon salicinus - Homonoia riparia