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| May 2007 at roadside |
May 2007 at roadside |
May 2007 at roadside |
| Family | Onagraceae |
| Tribe | Onagreae |
| Scientific name | Oenothera rosea L'Héritier ex Aiton |
| Synonyms | Hartmannia affinis Spach; Hartmannia gauroides Spach; Hartmannia rosea (L'Héritier ex Aiton) G. Don; Hartmannia virgata (Ruíz & Pavón) Spach; Oenothera psychrophila Ball; Oenothera purpurea Lamarck; Oenothera rubra Cavanilles; Oenothera virgata Ruíz & Pavón |
| Common name | (Japanese common name) yu-gesho (ユウゲショウ, 夕化粧 [meqaning: evening make-up]), akabana-yu-gesho (アカバナユウゲショウ, 赤花夕化粧 [meaning: red flowering evening make-up]) |
| (English common name) pink evening-primrose, rose evening-primrose | |
| Distribution | (Japan) Honshu (west of Kanto region), Shikoku |
| (Other nations) [native] USA, Mexico, Costa Rica, Guatemala, Bolivia, Ecuador, Peru | |
| Habitat | Roadside, field |
| Chromosomal number | 2n=14 |
| Description | Plants electing 7-65cm tall. Leaves 1-6cm long, 0.4-2.5cm wide. Flowers 4 pink petals each 0.4-1.2cm long, flowering in May to September. Pelennial plants. |
| Reference | Oenothera rosea L'Hér. ex Aiton |
| Oenothera rosea L'Héritier ex Aiton | |
| Note | Naturalized plants (first reported in 1917). |
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| May 2007 at roadside |
May 2007 at roadside |
May 2007 at roadside |
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| May 2007 at riverside |
May 2007 at riverside |
