Evening primrose

Oenothera stricta

  • Evening primrose
  • Evening primrose
  • Evening primrose
  • Evening primrose
  • Evening primrose
  • Evening primrose
  • Flower name
    Evening primrose
  • Scientific name
    Oenothera stricta
  • Aliasヨイマチグサ, 宵待草, Evening primrose
  • Place of originSouth America
  • Place of floweringFields and footpaths
  • Flowering seasonMay, June, July
  • Language of flowersmute devotion

What is Evening primrose

Oenothera stricta or atsuyoigusa (scientific name:Oenothera stricta) is an evergreen perennial of the family Onagraceae native South America. One day in the morning, yellow flowers bloom from the evening. Flowering starts blooming from May. Living after finished blooming yellow flowers and red flowers shell.Have palmately lobed leaves, the leaves are linear, and are the clear white midrib. 

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).

Generic name: Oenothera stricta or atsuyoigusa, scientific name:Oenothera stricta, also known as: suncups, origin: Latin America, environment: roadside, coast, plant: 20 to 100 cm, leaf shape: linear, Central white veins, phyllotaxis: alternate, flowers: racemes, flower color: yellow, size: 3-4 cm, petals: 4 tip of the pistil 4 crack, flowers bloom: one, flowers, Flowering period: May-July, fruit: capsule and ripens fruit, fruit shape: cylindrical.


  • Eye
    Myrtales
  • Family
    Onagraceae
  • Genus
    Oenothera
  • Species
    O. stricta
  • Type of flower
    Radial symmetrical flower
  • Array of flower
    Gross inflorescence
  • Petal shape
    4 petals
  • Leaf type
    Linear
  • Edge of the leaf
    Serrated
  • Life typeEvergreen perennial
  • Flower colorsYellow
  • Colors of the leavesGreen
  • Fruit colorGreen
  • Height20.0 ~ 100.0 cm
  • Diameter of flower3.0 ~ 4.0 cm

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