| Regno | Plantae |
| Sottoregno | Tracheobionta |
| Superdivisione | Spermatophyta |
| Divisione | Magnoliophyta |
| Classe | Liliopsida |
| Ordine | Asparagales |
| Famiglia | Amaryllidaceae |
| Genere | Hippeastrum |
Large-bulbed plants famous for spectacular trumpet flowers, often forced indoors in winter ("amaryllis").