Groundsel suna ne da ke nufin wata ciyawa ta gama gari tare da furanni rawaya da tsaba masu gashin fuka. Sunan kimiyya na wannan shuka shine Senecio vulgaris, kuma yana cikin dangin Asteraceae. Kalmar "groundsel" kuma tana iya komawa ga kowane ɗayan tsire-tsire masu alaƙa da yawa a cikin wannan nau'in, gami da Senecio aureus, wanda kuma aka sani da ragwort na zinari. Hakanan ana iya amfani da kalmar "groundsel" dalla-dalla don komawa ga duk wani tsiro da ake ɗauka a matsayin ciyawa ko kuma ba ta da ƙima.