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| May 2007 at Koishikawa Botanical Garden |
May 2007 at Koishikawa Botanical Garden |
May 2007 at Koishikawa Botanical Garden |
| Family | Dryopteridaceae |
| Scientific name | Dryopteris yakusilvicola Kurata |
| Synonyms | Dryopteris melanocarpa Hayata var. elegans Serizawa |
| Common name | (Japanese common name) kosugi-itachi-shida [Kosugi Valley weasel fern] |
| (English common name) none | |
| Distribution | (Japan) Yakushima Island |
| (Other nations) none | |
| Chromosomal number | n=123 (3x) |
| Description | Evergreen. |
| Reference | Electrophoretic evidence for the origin of Dryopteris yakusilvicola (Dryopteridaceae) |
| Family Lomariopsidaceae, genus Dryopteris; world species list | |
| Family | Endemic to Japan. Rare species. |
| Dryopteris yakusilvicola Kurata was thought to be a natural hybrid of Dryopteris sabaei (Franchet & Savatatier) C. Christensen and Dryopteris sparsa (Hamilton ex D. Don) O. Kuntze (4x). |
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| May 2007 at Koishikawa Botanical Garden |
May 2007 at Koishikawa Botanical Garden |
May 2007 at Koishikawa Botanical Garden |
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| May 2007 at Koishikawa Botanical Garden |
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| May 2007 at Koishikawa Botanical Garden |
