The scientific classification of Brugmansia and Hippeastrum includes the entire classification chart that includes kingdom, family, clade, tribe etc. A kingdom is the second highest taxonomic rank. A taxonomic rank is the level that a living organisms are placed in hierarchical level of arrangement of life forms. All the living organisms are divided into kingdoms. Plant kingdom is a main classification of living organisms that include all plants. There are six kingdoms which are: Plantae, Animalia, Fungi, Protista, Aschaea/Archaeabacteria and Bacteria Eubacteria. Brugmansia and Hippeastrum kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Brugmansia and Hippeastrum family is a major factor of Brugmansia and Hippeastrum Scientific Classification. Plant family helps you narrow the search of your plants. It also gives you idea about, how the plant looks, how the seed will be like etc. These two plant families can be different or same. Brugmansia belongs to the family Solanaceae and Hippeastrum belongs to the family Amaryllidaceae.
While comparing scientific classification, Brugmansia and Hippeastrum genus and other classification are also important. Also, when you compare Brugmansia and Hippeastrum, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Brugmansia and other plant's genus is Amaryllis. Brugmansia tribe is Datureae and Hippeastrum tribe is Not Available. Brugmansia clade is Angiosperms, Asterids and Eudicots and order is Solanales whereas Hippeastrum clade is Angiosperms and Monocots and order is Asparagales. Every plant have subfamilies. Brugmansia subfamilies are, Solanoideae and Hippeastrum subfamilies are Amaryllidoideae. In this way you can compare scientific classification of Brugmansia and Hippeastrum and other products also.