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| June 2008 at Nikko Botanical Garden |
June 2008 at Nikko Botanical Garden |
June 2008 at Nikko Botanical Garden |
| Family | Apocynaceae (also placed in Asclepiadaceae) |
| Subfamily | Asclepiadoideae |
| Tribe | Asclepiadeae |
| Subtribe | Tylophorinae |
| Scientific name | Vincetoxicum macrophyllum Siebold & Zuccarini var. nikoense Maximovicz |
| Synonyms | Cynanchum grandifolium Hemsley var. nikoense (Maximovicz) Ohwi; Cynanchum nikoense (Maxim.) Makino; Vincetoxicum kitagawae Hiyama; Vincetoxicum nikoense (Maximovicz) Kitagawa |
| Common name | (Japanese common name) turu-gashiwa (ツルガシワ, 蔓柏 [meaning: vine kashiwa (meaning of kashiwa is unknown)]) |
| (English common name) none | |
| Distribution | (Japan) Honshu, Shikoku |
| (Other nations) none | |
| Habitat | Mountane forest |
| Chromosomal number | unknown |
| Description | Plants electing 50-100cm tall. Leaves 15-30cm long, 8-15cm wide. Flowers dark purple 6-8mm, flowering in June to August. Perennial plants. |
| Reference | Pollen-mediated Gene Flow in a Population of Cynanchum grandifolium var. nikoense (Asclepiadaceae) |
| Note | Cynanchum inamoenum (Maximowicz) Loesener (syn. Alexitoxicon inamoenum (Maximowicz) Pobedimova; Antitoxicum inamoenum (Maximowicz) Pobedimova; Vincetoxicum inamoenum Maximowicz) is not a synonym of Vincetoxicum macrophyllum Siebold & Zuccarini var. nikoense Maximovicz. |
| Vincetoxicum nikoense sensu Franchet & Savatie, non (Maximovicz) Kitagawa is a synonym of Tylophora floribunda Miquel. |
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| June 2008 at Nikko Botanical Garden |
June 2008 at Nikko Botanical Garden |
June 2008 at Nikko Botanical Garden |
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| June 2008 at Nikko Botanical Garden |
June 2008 at Nikko Botanical Garden |
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| June 2008 at Nikko Botanical Garden |
