A new combination, Sedum ×estrelae (Gideon F.Sm. & R.Stephenson) Gideon F.Sm. (Crassulaceae), for a nothospecies in Sedum series Rupestria A.Berger (= Petrosedum Grulich) from central Portugal is published here. It is a natural hybrid between Sedum forsterianum Sm. and Sedum sediforme (Jacq.) Pau.