narrowleaf arnica Directory References Discover The 10 Greatest Basketball Players of All Time 26 Decade-Defining Events in U.S. History 11 Egyptian Gods and Goddesses 10 Best Hockey Players of All Time 10 Famous Artworks by Leonardo da Vinci What Is the Origin of the Term Holocaust? 9 Things You Might Not Know About Adolf Hitler Contents narrowleaf arnica plant Ask the Chatbot a Question Ask the Chatbot a Question Also known as: Arnica angustifolia Learn about this topic in these articles:description In arnicaNarrowleaf arnica (A. angustifolia) of Arctic Asia and America has orange-yellow flower heads 5–7 cm (2–2.5 inches) across and is a protected species in some countries. Read More