The scientific classification of Palo Verde and Brugmansia 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. Palo Verde and Brugmansia kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Palo Verde and Brugmansia family is a major factor of Palo Verde and Brugmansia 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. Palo Verde belongs to the family Fabaceae and Brugmansia belongs to the family Solanaceae.
While comparing scientific classification, Palo Verde and Brugmansia genus and other classification are also important. Also, when you compare Palo Verde and Brugmansia, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Parkinsonia and other plant's genus is Brugmansia. Palo Verde tribe is Caesalpinieae and Brugmansia tribe is Datureae. Palo Verde clade is Angiosperms, Eudicots and Rosids and order is Fabales whereas Brugmansia clade is Angiosperms, Asterids and Eudicots and order is Solanales. Every plant have subfamilies. Palo Verde subfamilies are, Caesalpiniaceae and Brugmansia subfamilies are Solanoideae. In this way you can compare scientific classification of Palo Verde and Brugmansia and other products also.