The scientific classification of Oleander and Ponytail Palm 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. Oleander and Ponytail Palm kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Oleander and Ponytail Palm family is a major factor of Oleander and Ponytail Palm 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. Oleander belongs to the family Apocynaceae and Ponytail Palm belongs to the family Liliaceae.
While comparing scientific classification, Oleander and Ponytail Palm genus and other classification are also important. Also, when you compare Oleander and Ponytail Palm, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Nerium and other plant's genus is Beaucarnea. Oleander tribe is Wrightieae and Ponytail Palm tribe is Not Available. Oleander clade is Angiosperms, Asterids and Eudicots and order is Gentianales whereas Ponytail Palm clade is Angiosperms and order is Asparagales. Every plant have subfamilies. Oleander subfamilies are, Apocynoideae and Hippocastanoideae and Ponytail Palm subfamilies are Nolinoideae. In this way you can compare scientific classification of Oleander and Ponytail Palm and other products also.