Osmundastrum cinnamomeum cinnamomeum (Cinnamon Fern) is a subspecies of perennial herb in the family royal ferns. They are native to Puerto Rico, Saint-Pierre Et Miquelon, The Contiguous United States, and Canada. They have pinnate leaves and orange flowers. Individuals can grow to 4.9 feet. They have alternation of generations.
EOL has data for 64 attributes, including: