The scientific classification of Petunia and Emu Bush 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. Petunia and Emu Bush kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Petunia and Emu Bush family is a major factor of Petunia and Emu Bush 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. Petunia belongs to the family Solanaceae and Emu Bush belongs to the family Myoporaceae.
While comparing scientific classification, Petunia and Emu Bush genus and other classification are also important. Also, when you compare Petunia and Emu Bush, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Petunia and other plant's genus is Eremophila. Petunia tribe is Not Available and Emu Bush tribe is Myoporeae. Petunia clade is Angiosperms, Asterids and Eudicots and order is Solanales whereas Emu Bush clade is Angiosperms, Asterids and Eudicots and order is Lamiales. Every plant have subfamilies. Petunia subfamilies are, Petunioideae and Emu Bush subfamilies are Not Available. In this way you can compare scientific classification of Petunia and Emu Bush and other products also.