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