Oenothera erythrosepala

Oenothera erythrosepala

  • Oenothera erythrosepala
  • Oenothera erythrosepala
  • Oenothera erythrosepala
  • Oenothera erythrosepala
  • Flower name
    Oenothera erythrosepala
  • Scientific name
    Oenothera erythrosepala
  • Alias大待宵草, Oenothera erythrosepala, ヨイマチグサ, 宵待草, evening primrose, オノエラ
  • Place of originUnited States
  • Place of floweringFields and footpaths, Garden, Potted flower
  • Flowering seasonJune, July, August

What is Oenothera erythrosepala

Oenothera erythrosepala is an evergreen annual/perennial herb native to the United States in the family Onagraceae. It produces yellow one-day flowers in the evening to the next morning. The Pinus japonica has four petaled flowers with four lobes at the tips of the stamens. It is hard to distinguish it from Pinus japonica (scientific name: Oenothera stricta) because it is similar in appearance and grows in a similar environment. The way to distinguish it is that O. stricta has smaller flowers, a lower height, a green sepal color, and narrower leaves.

In the genus Oenothera, evening primrose (scientific name: Oenothera tetraptera) , Oenothera stricta or atsuyoigusa (waiting grass, scientific name: Oenothera stricta), Perenis (scientific name: Oenothera perennis), Pinkladies (Hiruzaki tsukimisou, scientific name: Oenothera speciosa).


  • Order
    Myrtales
  • Family
    Onagraceae
  • Genus
    Oenothera
  • Species
    O. erythrosepala
  • Type of flower
    Radial symmetrical flower
  • Array of flower
    Scattered inflorescence/ umbrella shape
  • Petal shape
    Bell-shaped
  • Leaf type
    lanceolate
  • Edge of the leaf
    All edges
  • Life typeevergreen annual/perennial herb
  • Flower colorsYellow
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height20.0 ~ 150.0 cm
  • Diameter of flower7.0 ~ 8.0 cm

Random flowers