Osmunda regalis, or royal fern, is a species of deciduous fern, native to Europe, Africa and Asia, growing in woodland bogs and on the banks of streams. The species is sometimes known as flowering fern due to the appearance of its fertile fronds.
Growth form | clustered |
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Separate fertile frond? | yes |
Frond division | twice/pinnule |
Frond shape | other |
Indusium present? | no |
Pinna/pinnule margins | toothed |
Pinnae arrangement | opposite |
Stipe/rachis features | smooth |