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