The scientific classification of Allamanda and American Holly 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 American Holly kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Allamanda and American Holly family is a major factor of Allamanda and American Holly 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 American Holly belongs to the family Aquifoliaceae.
While comparing scientific classification, Allamanda and American Holly genus and other classification are also important. Also, when you compare Allamanda and American Holly, 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 Ilex. Allamanda tribe is Apocyneae and American Holly tribe is Not Available. Allamanda clade is Angiosperms, Asterids and Eudicots and order is Gentianales whereas American Holly clade is Angiosperms, Asterids and Eudicots and order is Celastrales. Every plant have subfamilies. Allamanda subfamilies are, Rauvolfioideae and American Holly subfamilies are Not Available. In this way you can compare scientific classification of Allamanda and American Holly and other products also.