Oenothera rosea




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).



May 2007
at roadside
May 2007
at roadside
May 2007
at roadside



May 2007
at riverside
May 2007
at riverside