The scientific classification of Rhubarb and Torenia 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. Rhubarb and Torenia kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Rhubarb and Torenia family is a major factor of Rhubarb and Torenia 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. Rhubarb belongs to the family Polygonaceae and Torenia belongs to the family Scrophulariaceae.
While comparing scientific classification, Rhubarb and Torenia genus and other classification are also important. Also, when you compare Rhubarb and Torenia, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Rheum and other plant's genus is Torenia. Rhubarb tribe is Not Available and Torenia tribe is Not Available. Rhubarb clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales whereas Torenia clade is Angiosperms, Asterids and Eudicots and order is Scrophulariales. Every plant have subfamilies. Rhubarb subfamilies are, Not Available and Torenia subfamilies are Not Available. In this way you can compare scientific classification of Rhubarb and Torenia and other products also.