Rauwolfia wata tsibiri ce ta bishiyu da ciyayi masu zafi a cikin gidan Apocynaceae, wanda akafi sani da barkonon shaidan ko dangin maciji. Halin halittar ya ƙunshi nau'ikan tsire-tsire masu magani, musamman Rauvolfia serpentina, wanda ake amfani da shi a cikin maganin gargajiya don alkaloids waɗanda ke da abubuwan kwantar da hankali da haɓakar hauhawar jini. Kalmar “rauwolfia” ta samo asali ne daga sunan wani likitan ɗan ƙasar Jamus a ƙarni na 16, Leonhard Rauwolf, wanda ya gano kuma ya bayyana wasu sabbin tsiro a lokacin balaguron da ya yi zuwa Gabas ta Tsakiya.