Article from Bean's Trees and Shrubs Hardy in the British Isles
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'Tamarix gallica' from the website Trees and Shrubs Online (treesandshrubsonline.
A shrub or small tree up to 25 ft high in the wild; bark of the one-year-old branchlets brown or purple. Leaves minute, narrow at the base, glabrous. Flowers in slender racemes 1 to 2 in. long, white tinged with pink outside, each flower produced in the axil of a narrow bract. Petals deciduous, elliptic or elliptic-ovate, rounded at the apex, about one-twelfth of an inch long. Stamens five, each inserted on a lobe of the disk and widening into it (the disk therefore not showing rounded teeth between the points of attachment as in T. ramosissima and T. chinensis).
Native of western Europe, ranging to northwest France and N. Africa; long cultivated in the maritime parts of Britain and naturalised in some localities, or at least apparently wild. But some plants grown as T. gallica are T. chinensis, while others are the following: