Proboseidea louisianica References Proboseidea louisianica 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: unicorn plant…plant order Lamiales, and particularly Proboseidea louisianica. There are nine species of unicorn plants, most having large purple or creamy white flowers. Read More…plant order Lamiales, and particularly Proboseidea louisianica. There are nine species of unicorn plants, most having large purple or creamy white flowers. Read More