The scientific classification of Red Pitaya and Nutmeg 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. Red Pitaya and Nutmeg kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Red Pitaya and Nutmeg family is a major factor of Red Pitaya and Nutmeg 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. Red Pitaya belongs to the family Cactaceae and Nutmeg belongs to the family Poaceae.
While comparing scientific classification, Red Pitaya and Nutmeg genus and other classification are also important. Also, when you compare Red Pitaya and Nutmeg, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Hylocereus and other plant's genus is Myristica. Red Pitaya tribe is Cacteae and Nutmeg tribe is Myrteae. Red Pitaya clade is Angiosperms, Core eudicots and Eudicots and order is Caryophyllales whereas Nutmeg clade is Angiosperms and Monocots and order is Magnoliales. Every plant have subfamilies. Red Pitaya subfamilies are, Cactoideae and Nutmeg subfamilies are Myrtoideae. In this way you can compare scientific classification of Red Pitaya and Nutmeg and other products also.