The scientific classification of Cucumber and Pong-pong 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. Cucumber and Pong-pong kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Cucumber and Pong-pong family is a major factor of Cucumber and Pong-pong 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. Cucumber belongs to the family Cucurbitaceae and Pong-pong belongs to the family Apocynaceae.
While comparing scientific classification, Cucumber and Pong-pong genus and other classification are also important. Also, when you compare Cucumber and Pong-pong, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Cucumis and other plant's genus is Cerbera. Cucumber tribe is Melothrieae and Pong-pong tribe is Plumerieae. Cucumber clade is Angiosperms, Eudicots and Rosids and order is Cucurbitales whereas Pong-pong clade is Angiosperms, Asterids and Eudicots and order is Gentianales. Every plant have subfamilies. Cucumber subfamilies are, Cucurbitoideae and Pong-pong subfamilies are Rauvolfioideae. In this way you can compare scientific classification of Cucumber and Pong-pong and other products also.