| Common Names - Quassia Family | Synonyms - |
| Authority - DC. | Total Number of genera - 25 |
| Gymnosperm or Angiosperm? - Angiosperm | Total Number of species - 150 |
| Plant forms - Tree/Shrub |
| World Distribution - Tropical extending to temperate in Ailanthus, Picrolemma. |
| Comments - In recent decades it has been subject to much taxonomic debate, with several small families being split off.
A molecular phylogeny of the family was published in 2007, greatly clarifying relationships within the family
Has wood, timber trees. |