genus ephedra: type and sole genus of Ephedraceae: tropical and subtropical evergreen shrubby or creeping plants native to dry and inhospitable regions
group: any number of entities (members) considered as a unit
granuloma inguinale: a venereal disease caused by a bacterium of the genus Calymmatobacterium; characterized by a pimply rash of the skin in the genital and groin region