Synonyms: Calycolpus parviflorus; Eugenia guayavillo; Guajava ciliata; Guajava guajabita; Guajava lanceolata; Guajava oerstediana; Guajava salutaris (homotypic); Mosiera sagrae; Mosiera sagraea; Myrtus arayan; Myrtus blanchetiana; Myrtus hassleriana; Myrtus rigida; Myrtus sagrae; Myrtus sagraea; Myrtus sagrea; Myrtus salutaris (homotypic); Myrtus sericea var. suffruticosa; Pseudocaryophyllus seemannii (homotypic); Psidium arayan; Psidium barbosianum; Psidium blanchetianum; Psidium chiapasense; Psidium ciliatum (heterotypic); Psidium deltosepalum; Psidium gentlei; Psidium guayabita; Psidium guayabita var. angustifolium; Psidium guayabita var. oblongatum; Psidium lanceolatum; Psidium lanceolatum var. grandifolium; Psidium oerstedianum; Psidium rigidum; Psidium salutare var. laxum; Psidium salutare var. strictum; Psidium salutare var. subalternum; Psidium valenzuelense