The scientific classification of Allamanda and Schlumbergera 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 Schlumbergera kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Allamanda and Schlumbergera family is a major factor of Allamanda and Schlumbergera 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 Schlumbergera belongs to the family Cactaceae.
While comparing scientific classification, Allamanda and Schlumbergera genus and other classification are also important. Also, when you compare Allamanda and Schlumbergera, 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 Schlumbergera. Allamanda tribe is Apocyneae and Schlumbergera tribe is Rhipsalideae. Allamanda clade is Angiosperms, Asterids and Eudicots and order is Gentianales whereas Schlumbergera clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales. Every plant have subfamilies. Allamanda subfamilies are, Rauvolfioideae and Schlumbergera subfamilies are Cactoideae. In this way you can compare scientific classification of Allamanda and Schlumbergera and other products also.