Synonyms: Arundo donax var. versicolor, Arundo versicolor
Arundo donax, giant cane, is a tall perennial cane growing in damp soils, either fresh or moderately saline. It is one of the several species of the so-called reed. Other common names include Carrizo, Arundo, Spanish cane, Colorado river reed, wild cane, and giant reed.
Arundo donax is native to the Mediterranean Basin and middle east Asia, and probably also parts of Africa and southern Arabian Peninsula. It has been widely planted and naturalised in the mild temperate, subtropical and tropical regions of both hemispheres (Herrera & Dudley 2003), especially in the Mediterranean, California, the western Pacific and the Caribbean. It forms dense stands on disturbed sites, sand dunes, in wetlands and riparian habitats. 
Images: Forest Starr & Kim Starr, CC-BY Creative Commons Attribution License 3.0