Dodonaea amplisemina K.A.Sheph. & Rye and D. scurra K.A.Sheph. & R.A.Meissn. are two new species that occur on banded ironstone, greenstone or basalt hills in the Yilgarn region of Western Australia and are here described. Both species have conservation priority. A distribution map and photographs of the new species are presented along with amendments to the relevant part of the “Flora of Australia” key to species of Dodonaea.