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