The scientific classification of Palo Verde and Petunia 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 Petunia kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Palo Verde and Petunia family is a major factor of Palo Verde and Petunia 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 Petunia belongs to the family Solanaceae.
While comparing scientific classification, Palo Verde and Petunia genus and other classification are also important. Also, when you compare Palo Verde and Petunia, 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 Petunia. Palo Verde tribe is Caesalpinieae and Petunia tribe is Not Available. Palo Verde clade is Angiosperms, Eudicots and Rosids and order is Fabales whereas Petunia clade is Angiosperms, Asterids and Eudicots and order is Solanales. Every plant have subfamilies. Palo Verde subfamilies are, Caesalpiniaceae and Petunia subfamilies are Petunioideae. In this way you can compare scientific classification of Palo Verde and Petunia and other products also.