The scientific classification of Devil's Tongue and Pachypodium 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. Devil's Tongue and Pachypodium kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Devil's Tongue and Pachypodium family is a major factor of Devil's Tongue and Pachypodium 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. Devil's Tongue belongs to the family Araceae and Pachypodium belongs to the family Apocynaceae.
While comparing scientific classification, Devil's Tongue and Pachypodium genus and other classification are also important. Also, when you compare Devil's Tongue and Pachypodium, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Amorphophallus and other plant's genus is pachypodium. Devil's Tongue tribe is Thomsonieae and Pachypodium tribe is Malouetieae. Devil's Tongue clade is Angiosperms and Monocots and order is Alismatales whereas Pachypodium clade is Angiosperms, Asterids and Eudicots and order is Gentianales. Every plant have subfamilies. Devil's Tongue subfamilies are, Aroideae and Pachypodium subfamilies are Apocynoideae. In this way you can compare scientific classification of Devil's Tongue and Pachypodium and other products also.