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| May 2008 at Hokkaido University Botanical Garden |
May 2008 at Hokkaido University Botanical Garden |
May 2008 at Hokkaido University Botanical Garden |
| Family | Orchidaceae |
| Subfamily | Cypripedioideae (also placed in Cypripediaceae) |
| Tribe | Cypripedieae |
| Subtribe | Cypripediinae |
| Scientific name | Cypripedium macranthos Swartz var. rebunense (Kudo) Miyabe & Kudo |
| Synonyms | Cypripedium macranthon (Swartz) Rafinesque var. rebunense (Kudo) Miyabe & Kudo; Cypripedium macranthos Swartz forma rebunense (Kudo) Miyabe & Kudo; Cypripedium macranthos Swartz var. flavum Mandl; Cypripedium macranthum (Swartz) Rafinesque var. rebunense (Kudo) Miyabe & Kudo; Cypripedium rebunese Kudo |
| Common name | (Japanese common name) rebun-atsumori-sou (レブンアツモリソウ, 礼文敦盛草 [meaning: Rebun Island atsumori-sou (atsumori-sou = Cypripedium macranthos Swartz)]) |
| (English common name) none | |
| Distribution | (Japan) Hokkaido (Rebun Island) |
| (Other nations) none | |
| Chromosomal number | 2n=22 |
| Description | Plants electing 25-40cm tall. Leaves 8-20cm long, 5-8cm wide. Flowers pale yellow ca. 3.5-5cm, flowering in May to July. Terrestrial. Perennial plants. |
| Reference | Genetic diversity of an endangered plant, Cypripedium macranthos var. rebunense (Orchidaceae): background genetic research for future conservation |
| Fertilizer for long term supply of plants with chelated micronutrients (US Patent 3980462/1976) | |
| Ion exchanger fertilizers (US Patent 4396412/1981) | |
| Genetic transformation of orchids (US Patent 6020538/1998) | |
| Bioadhesive compositions and methods for topical administration of active agents (US Patent 6562363/1998) | |
| Fast dissolving composition with prolonged sweet taste (US Patent 7122198/2000) | |
| Pharmaceutical compositions containing compounds with activity for the enhancement of absorption of active ingredients (US Patent 7026360/2000) | |
| Pharmaceutical with predetermined activity profile (US Patent 6458384/2001) | |
| Plant trichome gland specific promoter sequence (US Patent 6730826/2001) | |
| Compositions and methods to effect the release profile in the transdermal administration of active agents (US Patent 6638528/2002) | |
| Note | Endemic to Japan. Rare species. |
| Cypripedium macranthos Swartz var. flavum Mandl is not a synonym of Cypripedium flavum P. F. Hunt & Summerhayes. |
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| May 2008 at Hokkaido University Botanical Garden |
May 2008 at Hokkaido University Botanical Garden |
May 2008 at Hokkaido University Botanical Garden |
