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