Erayga "psoralea" waxa uu tilmaamayaa isir ka mid ah dhirta ubaxa ee qoyska legume (Fabaceae). Waxay ka timid ereyga Giriigga "psoraleos," oo macneheedu yahay "scabby" ama "qallafsan." Dhirta Psoralea waxaa loo yaqaannaa ubaxyo yaryar oo midab leh iyo caleemo isku dhafan. Geedkan waxaa loo adeegsaday hababka dawooyinka dhaqameed, sida Ayurveda iyo dawo dhaqameedka Shiinaha, ujeedooyin kala duwan. Iniinaheeda waxaa inta badan loo shaqeeyaa siyaalahooda daawada ee la sheegay. Macluumaadka halkan lagu soo bandhigay waxay khuseeyaan qeexitaankeeda dhirta iyo mid ka mid ah noocyada gaarka ah.