The scientific classification of Silverthorn and Vinca 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 Vinca kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Silverthorn and Vinca family is a major factor of Silverthorn and Vinca 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 Vinca belongs to the family Apocynaceae.
While comparing scientific classification, Silverthorn and Vinca genus and other classification are also important. Also, when you compare Silverthorn and Vinca, 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 Catharanthus. Silverthorn tribe is Not Available and Vinca tribe is Not Available. Silverthorn clade is Angiosperms, Eudicots and Rosids and order is Rhamnales whereas Vinca clade is Angiosperms, Asterids and Eudicots and order is Gentianales. Every plant have subfamilies. Silverthorn subfamilies are, Not Available and Vinca subfamilies are Not Available. In this way you can compare scientific classification of Silverthorn and Vinca and other products also.