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buckthorn | a shrub or shrubby tree of the genus Rhamnus; fruits are source of yellow dyes or pigments | ||
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English plantain, narrow-leaved plantain, ribgrass, ribwort, ripple-grass, buckthorn, Plantago lanceolata | an Old World plantain with long narrow ribbed leaves widely established in temperate regions ❲Plantago lanceolata❳ | ||
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buckthorn | any shrub or small tree of the genus Bumelia |