Anthorrhiza is a genus of myrmecophytic flowering plants in the family Rubiaceae. It is endemic to Papua New Guinea, including the Louisiade Archipelago. It is one of five ant-plant genera in the family Rubiaceae, the others being Hydnophytum, Myrmecodia, Myrmephytum, and Squamellaria. Species Anthorrhiza areolata C.R.Huxley & Jebb Anthorrhiza bracteosa C.R.Huxley & Jebb Anthorrhiza caerulea C.R.Huxley & Jebb Anthorrhiza camilla Jebb Anthorrhiza chrysacantha C.R.Huxley & Jebb Anthorrhiza echinella C.R.Huxley & Jebb Anthorrhiza mitis C.R.Huxley & Jebb Anthorrhiza recurvispina C.R.Huxley & Jebb Anthorrhiza stevensii C.R.Huxley & Jebb References Rubiaceae genera Psychotrieae Myrmecophytes Endemic flora of New Guinea