| Regno | Plantae |
| Sottoregno | Tracheobionta |
| Superdivisione | Spermatophyta |
| Divisione | Magnoliophyta |
| Classe | Magnoliopsida |
| Ordine | Malpighiales |
One of the largest eudicot orders (over 16,000 species), including Euphorbiaceae (croton, poinsettia, spurges), Clusiaceae, Violaceae and Salicaceae. Many species produce irritant or toxic latex.