Physics has subfields.
Poiretia is a genus of flowering plants in the legume family , Fabaceae .. Fabaceae. Fabaceae. legume. legume. It belongs to the subfamily Faboideae , and was recently assigned to the informal monophyletic Adesmia clade of the Dalbergieae .. Faboideae. Faboideae. Dalbergieae. Dalbergieae. monophyletic. monophyly