- any Old World tropical plant of the genus Tamarix, especially T. gallica, an ornamental Mediterranean shrub or small tree having slender, feathery branches.
- a shrub or small tree, Tamarix chinensis, of Eurasia, having scalelike leaves and clusters of pink flowers, naturalized in the southwestern U.S., where it has become a troublesome weed.
- any of various ornamental trees and shrubs of the genus Tamarix, of the Mediterranean region and S and SE Asia, having scalelike leaves, slender branches, and feathery clusters of pink or whitish flowers: family Tamaricaceae
