The scientific classification of Onion and Blue Hibiscus 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. Onion and Blue Hibiscus kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Onion and Blue Hibiscus family is a major factor of Onion and Blue Hibiscus 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. Onion belongs to the family Liliaceae and Blue Hibiscus belongs to the family Malvaceae.
While comparing scientific classification, Onion and Blue Hibiscus genus and other classification are also important. Also, when you compare Onion and Blue Hibiscus, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Allium and other plant's genus is Alyogyne. Onion tribe is Allieae and Blue Hibiscus tribe is Hibisceae. Onion clade is Angiosperms and Monocots and order is Asparagales whereas Blue Hibiscus clade is Angiosperms, Eudicots and Rosids and order is Malvales. Every plant have subfamilies. Onion subfamilies are, Allioideae and Blue Hibiscus subfamilies are Malvoideae. In this way you can compare scientific classification of Onion and Blue Hibiscus and other products also.