Cyathostemon is a genus of flowering plants in the myrtle family, Myrtaceae. The genus is endemic to southwestern Western Australia. Species include:Cyathostemon ambiguus (F.Muell.) Rye & TrudgenCyathostemon blackettii (F.Muell.) Rye & TrudgenCyathostemon heterantherus (C.A.Gardner) Rye & TrudgenCyathostemon sp. DowakCyathostemon sp. Lake KingCyathostemon sp. Red Roo RockCyathostemon sp. Salmon GumsCyathostemon tenuifolius Turcz.↑ ↑