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toothbrush tree, mustard tree, Salvadora persica | glabrous or pubescent evergreen shrub or tree of the genus Salvadora; twigs are fibrous and in some parts of the world are bound together in clusters and used as a toothbrush; shoots are used as camel fodder; plant ash provides salt | |
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mustard tree, tree tobacco, Nicotiana glauca | evergreen South American shrub naturalized in United States; occasionally responsible for poisoning livestock |