The genus Clerodendrum consists of over 300 hardy, evergreen or deciduous trees, shrubs, sub-shrubs and woody climbing species from tropical and temperate areas. These plants are part of the Lamiaceae family. Growing to between 1-12m, this genus contains some small tree species, including some with hollow stems that provide habitat to ant species. One species can grow to 30m tall and another species is a common ornamental plant. This genus is usually cultivated for its abundance of small, waxy flowers.