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| small spiny evergreen shrub of western United States and Mexico with minute flowers and bright red berries ❲Rhamnus croceus❳ | ||||
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| any shrub or small tree of the genus Bumelia | ||||
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| a shrub or shrubby tree of the genus Rhamnus; fruits are source of yellow dyes or pigments | ||||
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| dried bark of the cascara buckthorn used as a laxative |