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