The scientific classification of Allamanda and Haworthia 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. Allamanda and Haworthia kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Allamanda and Haworthia family is a major factor of Allamanda and Haworthia 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. Allamanda belongs to the family Apocynaceae and Haworthia belongs to the family Liliaceae.
While comparing scientific classification, Allamanda and Haworthia genus and other classification are also important. Also, when you compare Allamanda and Haworthia, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Allamanda and other plant's genus is Haworthia. Allamanda tribe is Apocyneae and Haworthia tribe is Not Available. Allamanda clade is Angiosperms, Asterids and Eudicots and order is Gentianales whereas Haworthia clade is Angiosperms and Monocots and order is Asparagales. Every plant have subfamilies. Allamanda subfamilies are, Rauvolfioideae and Haworthia subfamilies are Asphodeloideae. In this way you can compare scientific classification of Allamanda and Haworthia and other products also.