The scientific classification of Malabar nut and Japanese Crab Apple 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. Malabar nut and Japanese Crab Apple kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Malabar nut and Japanese Crab Apple family is a major factor of Malabar nut and Japanese Crab Apple 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. Malabar nut belongs to the family Acanthaceae and Japanese Crab Apple belongs to the family Rosaceae.
While comparing scientific classification, Malabar nut and Japanese Crab Apple genus and other classification are also important. Also, when you compare Malabar nut and Japanese Crab Apple, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Justicia and other plant's genus is Malus. Malabar nut tribe is Justicieae and Japanese Crab Apple tribe is Maleae. Malabar nut clade is Angiosperms and Monocots and order is Scrophulariales whereas Japanese Crab Apple clade is Angiosperms, Eudicots and Rosids and order is Rosales. Every plant have subfamilies. Malabar nut subfamilies are, Acanthoideae and Japanese Crab Apple subfamilies are Amygdaloideae. In this way you can compare scientific classification of Malabar nut and Japanese Crab Apple and other products also.