Oenothera is a genus of about 145 species of herbaceous flowering plants native to the Americas.It is the type genus of the family Onagraceae. Common names include evening primrose, suncups, and sundrops. They are not closely related to the true primroses (genus Primula).
Wikipedia
Yellow flowers look very beautiful if you take photographs in the dark. On a black background, the yellow color looks very advantageous, and no other objects will distract attention from the flower.
There are flowers that close their petals at night, this desirable beauty, on the contrary, will delight the eyes at night.
I advise you to grow these flowers near your homes.
