buckthorn

a shrub or shrubby tree of the genus Rhamnus; fruits are source of yellow dyes or pigments

• cascara buckthorn, bearberry, bearwood, chittamwood, chittimwood, Rhamnus purshianus — shrubby tree of United States Pacific coast; yields cascara sagrada
• Carolina buckthorn, indian cherry, Rhamnus carolinianus — deciduous shrub of eastern and central United States having black berrylike fruit; golden-yellow in autumn
• coffeeberry, California buckthorn, California coffee, Rhamnus californicus — evergreen shrub of western United States bearing small red or black fruits
• alder buckthorn, alder dogwood, Rhamnus frangula — small tree common in Europe
• redberry, Rhamnus croceus — small spiny evergreen shrub of western United States and Mexico with minute flowers and bright red berries

• shrub, bush — a low woody perennial plant usually having several major branches

• buckthorn berry, yellow berry — fruit of various buckthorns yielding dyes or pigments

• Rhamnus, genus Rhamnus — type genus of the Rhamnaceae: buckthorns