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.