The scientific classification of Macadamia and Betel Palm 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. Macadamia and Betel Palm kingdom and all other plants kingdom is Plantaea.
Plant family is the group of plants which have something in common. Macadamia and Betel Palm family is a major factor of Macadamia and Betel Palm 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. Macadamia belongs to the family Proteaceae and Betel Palm belongs to the family Arecaceae.
While comparing scientific classification, Macadamia and Betel Palm genus and other classification are also important. Also, when you compare Macadamia and Betel Palm, other factors should also be taken into considerations like order, subfamilies, tribe, clade etc. First plant's genus is Macadamia and other plant's genus is Areca. Macadamia tribe is Not Available and Betel Palm tribe is Areceae. Macadamia clade is Angiosperms and Eudicots and order is Proteales whereas Betel Palm clade is Angiosperms, Commelinids and Monocots and order is Arecales. Every plant have subfamilies. Macadamia subfamilies are, Not Available and Betel Palm subfamilies are Arecoideae. In this way you can compare scientific classification of Macadamia and Betel Palm and other products also.