The scientific classification of Portulaca and Apple Tree 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. Portulaca and Apple Tree kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Portulaca and Apple Tree family is a major factor of Portulaca and Apple Tree 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. Portulaca belongs to the family Portulacaceae and Apple Tree belongs to the family Rosaceae.
While comparing scientific classification, Portulaca and Apple Tree genus and other classification are also important. Also, when you compare Portulaca and Apple Tree, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Portulaca and other plant's genus is Malus. Portulaca tribe is Not Available and Apple Tree tribe is Not Available. Portulaca clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales whereas Apple Tree clade is Angiosperms, Eudicots and Rosids and order is Rosales. Every plant have subfamilies. Portulaca subfamilies are, Not Available and Apple Tree subfamilies are Not Available. In this way you can compare scientific classification of Portulaca and Apple Tree and other products also.