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(First upload on May 22 2013. July 29 2016) [ 日本語 | English ]

Oenothera L. (マツヨイグサ) Akabana-Yuugeshou (アカバナユウゲショウ, 赤花夕化粧), rose evening primrose or rose of Mexico Lifeform: perennial forb < 60 cm high Distribution: native to northern Mexico and Texas (widespread in temperate regions throughout the world) South to Kanto District, Japan (intorduced in Meiji Era) Habitat: disturbed sites, such as roadsides and open spaces

Leaf: alternate Stamen: 8 Pistil: the top is pink/red, quadrifid Chromosome number: 2n = 14 Synonyms (homotypic): Hartmannia rosea (L'Her. ex Aiton) G.Don Xylopleurum roseum (L'Her. ex Aiton) Raim.

Oenothera rosea in Japan

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[1-3] at West Ariake Pier Park, Tokyo, on May 12 2013. [4] in Oi Pier Seaside Park, Tokyo, on June 3 2016.