The scientific classification of Portulaca and Sweet Onion 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 Sweet Onion kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Portulaca and Sweet Onion family is a major factor of Portulaca and Sweet Onion 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 Sweet Onion belongs to the family Liliaceae.
While comparing scientific classification, Portulaca and Sweet Onion genus and other classification are also important. Also, when you compare Portulaca and Sweet Onion, 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 Allium. Portulaca tribe is Not Available and Sweet Onion tribe is Not Available. Portulaca clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales whereas Sweet Onion clade is Angiosperms, Asparagales and Monocots and order is Asparagales. Every plant have subfamilies. Portulaca subfamilies are, Not Available and Sweet Onion subfamilies are Not Available. In this way you can compare scientific classification of Portulaca and Sweet Onion and other products also.