Saguaro cactus, Carnegiea gigantea (Cereus giganteus). Lithograph from Louis van Houtte and Charles Lemaire's Flowers of the Gardens and Hothouses of Europe, Flore des Serres et des Jardins de l'Europe, Ghent, Belgium, 1862-65.
Saguaro cactus, Carnegiea gigantea (Cereus giganteus). Lithograph from Louis van Houtte and Charles Lemaire's Flowers of the Gardens and Hothouses of Europe, Flore des Serres et des Jardins de l'Europe, Ghent, Belgium, 1862-65.