The scientific classification of Bush Penstemon and Canna 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. Bush Penstemon and Canna kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Bush Penstemon and Canna family is a major factor of Bush Penstemon and Canna 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. Bush Penstemon belongs to the family Scrophulariaceae and Canna belongs to the family Cannaceae.
While comparing scientific classification, Bush Penstemon and Canna genus and other classification are also important. Also, when you compare Bush Penstemon and Canna, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Penstemon and other plant's genus is Canna. Bush Penstemon tribe is Not Available and Canna tribe is Not Available. Bush Penstemon clade is Angiosperms, Asterids and Eudicots and order is Scrophulariales whereas Canna clade is Angiosperms, Commelinids and Monocots and order is Zingiberales. Every plant have subfamilies. Bush Penstemon subfamilies are, Not Available and Canna subfamilies are Not Available. In this way you can compare scientific classification of Bush Penstemon and Canna and other products also.