Petunia and Iris Family
Plant family is the group of plants which have something in common. Petunia and Iris family is a major factor of Petunia and Iris 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. Petunia belongs to the family Solanaceae and Iris belongs to the family Iridaceae.
Petunia and Iris Genus and Other Classification
While comparing scientific classification, Petunia and Iris genus and other classification are also important. Also, when you compare Petunia and Iris, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Petunia and other plant's genus is Iris. Petunia tribe is and Iris tribe is Irideae. Petunia clade is Angiosperms, Asterids and Eudicots and order is Solanales whereas Iris clade is Angiosperms and Monocots and order is Asparagales. Every plant have subfamilies. Petunia subfamilies are, Petunioideae and Iris subfamilies are Iridoideae. In this way you can compare scientific classification of Petunia and Iris and other products also.