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