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