The scientific classification of Allamanda and Texas Redbud 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 Texas Redbud kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Allamanda and Texas Redbud family is a major factor of Allamanda and Texas Redbud 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 Texas Redbud belongs to the family Fabaceae.
While comparing scientific classification, Allamanda and Texas Redbud genus and other classification are also important. Also, when you compare Allamanda and Texas Redbud, 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 Cercis. Allamanda tribe is Apocyneae and Texas Redbud tribe is Cercideae. Allamanda clade is Angiosperms, Asterids and Eudicots and order is Gentianales whereas Texas Redbud clade is Angiosperms, Eudicots and Rosids and order is Fabales. Every plant have subfamilies. Allamanda subfamilies are, Rauvolfioideae and Texas Redbud subfamilies are Caesalpinioideae. In this way you can compare scientific classification of Allamanda and Texas Redbud and other products also.