Evergreen South American shrub naturalized in United States; occasionally responsible for poisoning livestock.

synonyms: Nicotiana glauca, tree tobacco.

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.

synonyms: Salvadora persica, toothbrush tree.