| Family | Dryopteridaceae |
| Scientific name | Arachniodes amabilis (Blume) Tindale |
| Synonyms | Arachniodes okinawensis Nakaike; Arachniodes rhomboidea (Wallich) Ching ex Mettenius; Aspidium amabile Blume; Aspidium controversum Hance; Aspidium rhomboideum Wallich ex Mettenius; Byrsopteris amabilis (Blume) F. Morton; Dryopteris amabile (Blume) Kuntze; Lastrea amabilis (Blume) Moorebis; Nephrodium amabile (Blume) Handel-Mazzetti; Polystichum amabile (Blume) J. J. Smith; Polystichopsis amabilis (Blume) Tagawa; Polystichum rhomboideum Schott; Rumohra amabilis (Blume) Ching; Rumohra amabilis (Blume) Ching var. yakusimensis H. Ito |
| Common name | (Japanese common name) oh-kana-warabi [large metallic bracken] |
| (English common name) none | |
| Distribution | (Japan) Honshu (west of Kanto region), Shikoku, Kyushu |
| (Other nations) Korea, China, Himalayas - tropic Asia, | |
| Chromosomal number | n=41 |
| Description | Vegatative leaves pinnately decompund, 35-75cm length, 25-40cm width. Evergreen. |
| September 2006 at Koishikawa Botanical Garden |
| September 2006 at Koishikawa Botanical Garden |
September 2006 at Koishikawa Botanical Garden |
September 2006 at Koishikawa Botanical Garden |
| September 2006 at Koishikawa Botanical Garden |