Callistemon Citrinus, Also Known As Crimson Bottlebrush Is A Shrub In The Family Myrtaceae Scientific Classification Kingdom: Plantae Division: Magnoliophyta Class: Magnoliopsida Order: Myrtales Family: Myrtaceae Genus: Callistemon Species: C. Citrinus. Binomial Name Callistemon Citrinus (Curtis) Skeels Synonyms Metrosideros Citrina Curti Photo