The scientific classification of Allamanda and Fountaingrass 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 Fountaingrass kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Allamanda and Fountaingrass family is a major factor of Allamanda and Fountaingrass 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 Fountaingrass belongs to the family Poaceae.
While comparing scientific classification, Allamanda and Fountaingrass genus and other classification are also important. Also, when you compare Allamanda and Fountaingrass, 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 Pennisetum. Allamanda tribe is Apocyneae and Fountaingrass tribe is Paniceae. Allamanda clade is Angiosperms, Asterids and Eudicots and order is Gentianales whereas Fountaingrass clade is Angiosperms, Commelinids and Monocots and order is Cyperales. Every plant have subfamilies. Allamanda subfamilies are, Rauvolfioideae and Fountaingrass subfamilies are Panicoideae. In this way you can compare scientific classification of Allamanda and Fountaingrass and other products also.