The scientific classification of Ceanothus and Spindle Tree 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. Ceanothus and Spindle Tree kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Ceanothus and Spindle Tree family is a major factor of Ceanothus and Spindle Tree 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. Ceanothus belongs to the family Rhamnaceae and Spindle Tree belongs to the family Celastraceae.
While comparing scientific classification, Ceanothus and Spindle Tree genus and other classification are also important. Also, when you compare Ceanothus and Spindle Tree, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Ceanothus and other plant's genus is Euonymus. Ceanothus tribe is Not Available and Spindle Tree tribe is Euonymeae. Ceanothus clade is Angiosperms and Eudicots and order is Rosales whereas Spindle Tree clade is Angiosperms, Eudicots and Rosids and order is Celastrales. Every plant have subfamilies. Ceanothus subfamilies are, Not Available and Spindle Tree subfamilies are Celastroideae. In this way you can compare scientific classification of Ceanothus and Spindle Tree and other products also.