Castela emoryi References Castela emoryi plant Ask Anything Homework Help 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: SimaroubaceaeThe crucifixion thorn (Castela emoryi) is native to the deserts of the southwestern United States. Read MoreThe crucifixion thorn (Castela emoryi) is native to the deserts of the southwestern United States. Read More