The scientific classification of Cowpea and Wood 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. Cowpea and Wood Apple kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Cowpea and Wood Apple family is a major factor of Cowpea and Wood 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. Cowpea belongs to the family Fabaceae and Wood Apple belongs to the family Rutaceae.
While comparing scientific classification, Cowpea and Wood Apple genus and other classification are also important. Also, when you compare Cowpea and Wood Apple, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Vigna and other plant's genus is Limonia. Cowpea tribe is Not Available and Wood Apple tribe is Citreae. Cowpea clade is Angiosperms, Eudicots and Rosids and order is Fabales whereas Wood Apple clade is Angiosperms and Eudicots and order is Sapindales. Every plant have subfamilies. Cowpea subfamilies are, Not Available and Wood Apple subfamilies are Aurantioideae. In this way you can compare scientific classification of Cowpea and Wood Apple and other products also.