Callistemon rugulosa, commonly known as scarlet bottlebrush, is a plant in the myrtle family, Myrtaceae and is endemic to South Australia and Victoria in Australia.  Callistemon coccineus and Callistemon macropunctatus are older names for Callistemon rugulosus.  It is a shrub with an open straggly habit, stiff, sharply pointed leaves and bright red bottlebrush flowers tipped with yellow in summer.