sand food References sand food plant Ask Anything Homework Help Also known as: Pholisma sonorae Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Lennooideae… occur in southwestern North America: sand food (P. sonorae) and desert Christmas tree (P. arenarium). The succulent underground stems of sand food were used as food by Native Americans in what is now Arizona. Read More… occur in southwestern North America: sand food (P. sonorae) and desert Christmas tree (P. arenarium). The succulent underground stems of sand food were used as food by Native Americans in what is now Arizona. Read More