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