Osmundastrum is genus of leptosporangiate ferns in the family Osmundaceae with one accepted species, Osmundastrum cinnamomeum, the cinnamon fern. It is native to the Americas and eastern Asia, growing in swamps, bogs and moist woodlands.
Growth form | clustered |
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Separate fertile frond? | yes |
Frond division | twice/pinnule |
Frond shape | other |
Indusium present? | no |
Pinna/pinnule margins | smooth/entire |
Pinnae arrangement | alternate |
Stipe/rachis features | wooly |