Dryopteris intermedia, the intermediate wood fern, is an evergreen eastern North American species also occasionally found in Europe. It is a diploid species, and is the parent of several species of hybrid origin, including Dryopteris carthusiana.
Growth form | clustered |
---|---|
Separate fertile frond? | no |
Frond division | twice/pinnule |
Frond shape | other |
Indusium present? | yes |
Pinna/pinnule margins | toothed |
Pinnae arrangement | opposite |
Soral arrangement | along midvein |
Sorus shape | round |
Stipe/rachis features | scaly |