| Noun | 1. | genus Ulex - genus of Eurasian spiny shrubs: gorserosid dicot genus - a genus of dicotyledonous plants Papilionoideae, subfamily Papilionoideae - alternative name used in some classification systems for the family Papilionaceae furze, gorse, Irish gorse, Ulex europaeus, whin - very spiny and dense evergreen shrub with fragrant golden-yellow flowers; common throughout western Europe |