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