Cinchona officinalis wani nau'in bishiya ne a cikin dangin Rubiaceae, wanda kuma aka sani da itacen quinine. Ya fito ne daga dazuzzukan Andean na yammacin Amurka ta Kudu, kuma an san bawonsa da ƙunshi quinine, wani alkaloids mai ɗaci da tarihi ya yi amfani da shi wajen magance zazzabin cizon sauro. Kalmar "officinalis" a cikin sunan tana nufin gaskiyar cewa yana da kayan magani kuma an gane shi azaman magani na hukuma ta pharmacopoeias.