Melaleuca viminalis (Weeping Bottlebrush) Melaleuca viminalis (Weeping Bottlebrush) UF/IFAS Info Page UF/IFAS It looks so much like the Crimson Bottlebrush (Melaleuca citrina, formerly known as Callistemon citrinus) — but please don’t let Weeping Bottlebrush fool you: this shrub is a High Invasion Risk for north Florida!