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