HalanthiumHalanthium is a genus of flowering plants in the amaranth family, Amaranthaceae. It includes five species of annuals native to western Asia, ranging from Turkey to the Caucasus, Iraq, and Iran.SpeciesFive species are accepted.Halanthium alaeflavum – northwestern IranHalanthium kulpianum – Turkey and the CaucasusHalanthium mamamense – northwestern IranHalanthium purpureum – Iraq and IranHalanthium rarifolium – Turkey, the Caucasus, and Iran