Rhus trilobata wani nau'in shrub ne a cikin dangin sumac, Anacardiaceae, wanda aka fi sani da skunkbush ko sumac mai ganye uku. Kalmar "Rhus" tana nufin asalin shuka, yayin da "trilobata" na nufin "lobed uku" kuma yana nufin siffar ganyen sa, wanda yawanci ya kasu kashi uku. Skunkbush ya fito ne daga yammacin Arewacin Amurka kuma an san shi da ganye da berries masu kamshi. Yana da amfani iri-iri na gargajiya tsakanin kabilun Amurkawa, gami da a matsayin ganyen magani, shuka rini, da tushen abinci.