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