American dragonhead References American dragonhead plant Ask Anything Homework Help Also known as: Dracocephalum parviflorum 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: dragonhead…exception of one species, the American dragonhead (Dracocephalum parviflorum), which is native to North America. Several species are grown as ornamentals for their attractive flowers. Read More…exception of one species, the American dragonhead (Dracocephalum parviflorum), which is native to North America. Several species are grown as ornamentals for their attractive flowers. Read More