The scientific classification of Sunflower and Japanese primrose 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. Sunflower and Japanese primrose kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Sunflower and Japanese primrose family is a major factor of Sunflower and Japanese primrose 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. Sunflower belongs to the family Asteraceae and Japanese primrose belongs to the family Onagraceae.
While comparing scientific classification, Sunflower and Japanese primrose genus and other classification are also important. Also, when you compare Sunflower and Japanese primrose, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Heilanthus and other plant's genus is Oenothera. Sunflower tribe is Heliantheae and Japanese primrose tribe is Onagreae. Sunflower clade is Not Available and order is Asterales whereas Japanese primrose clade is Angiosperms, Eudicots and Rosids and order is Myrtales. Every plant have subfamilies. Sunflower subfamilies are, Helianthodeae and Japanese primrose subfamilies are Onagroideae. In this way you can compare scientific classification of Sunflower and Japanese primrose and other products also.