Flower Database

Evening primrose

Basic information
Flower Name
Evening primrose
Formal Name
Oenothera stricta
Alias
宵待草, Evening primrose
Habitat
South America
Morph
Evergreen perennial
Comment
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.
Detailed information
Order
Myrtales
Family
Onagraceae
Genus
Oenothera
Species
O. stricta
Flower type
Actinomorphic Flower
Flower array
Racemous Inflorescence
Petal shape
Cross
Leaf type
Linear
Leaf edge
Serrated
Flowering place
Plain/fleet
Color
Yellow
Season
May Jun Jul
Height
20  ~ 100  [cm]
Diameter
3  ~ 4