| Family | Dryopteridaceae |
| Scientific name | Cyrtomium acutidens H. Christensen ex Matsumura |
| Synonyms | Cyrtomium falcatum (L. f.) C. Presl forma acutidens (H. Christensen) C. Christensen |
| Common name | (Japanese common name) kireha-yabu-sotetu [saw tooth leaved bush sotetu (sotetu = Cycas revoluta)] |
| (English common name) none | |
| Distribution | (Japan) Hokkaido, Honshu, Shikoku |
| (Other nations) none | |
| Chromosomal number | unknown |
| Description | Leaves 15-60cm lengh, 15-25cm width. Evergreen. |
| Note | Photos below are of a fern which was displyaed as Cyrtomium falcatum. Many authors may believe that Cyrtomium acutidens a variation of Cyrtomium falcatum. |
| February 2007 at Ibaraki Prefecture Botanical Garden |
February 2007 at Ibaraki Prefecture Botanical Garden |
| February 2007 at Ibaraki Prefecture Botanical Garden |
February 2007 at Ibaraki Prefecture Botanical Garden |
February 2007 at Ibaraki Prefecture Botanical Garden |
| February 2007 at Ibaraki Prefecture Botanical Garden |