Flower Quotes (279 quotes)
Flowers close for the night
Plants That Open in Sunlight & Close in Dark
Wouter G. Various types of opening can be distinguished such as nocturnal and diurnal and single or repetitive. Opening is generally due to cell expansion. Repeated opening and closure movements are often brought about by differential elongation. Opening and closure in several other species is regulated by changes in light intensity and, in some species with nocturnal opening, by an increase in relative humidity. A minimum duration of darkness and light are usually required for opening and closure, respectively, in flowers that open during the day. Both phytochrome and a blue light receptor seem involved in light perception.
Moonlit nights have their own beauty. Imagine a beautiful night with cool breeze touching the cheeks softly, sweet fragrance of night blooming flowers spread in the air, a mug of coffee or tea steaming in your hands and your family by your side. I find night blooming flowers as an integral part of lawns and gardens. I have listed down a few of such enamoring flowers. The beautiful yellow flowered is named Evening Primrose because the flower blossoms only at night. The plant is famous medically.
If you've ever taken a late-night stroll through a garden, you may have noticed that certain flowers, much like people, tend to retire after the sun goes down. But flowers that close up at night, such as tulips, hibiscus, poppies and crocuses, aren't sleepy. They're just highly evolved.
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Many types of plants open in the sunlight and close in the dark at night. This nyctinastic trait is a rapid movement of plant parts rather than a slow movement normally expected of plants. Plants perform this movement for a variety of reasons. Some flowers save their nectar from nighttime nectar thieves like bats and moths by closing their flowers. Other plants close up to protect themselves from nighttime chill.
Morning glory also written as morning-glory  is the common name for over 1, species of flowering plants in the family Convolvulaceae , whose current taxonomy and systematics are in flux. Morning glory species belong to many genera , some of which are:. Most morning glory flowers unravel into full bloom in the early morning. The flowers usually start to fade a few hours before the "petals" start showing visible curling. They prefer full solar exposure throughout the day, and mesic soils. Some morning glories, such as Ipomoea muricata , are night-blooming flowers. In some places, such as Australian bushland, some species of morning glories develop thick roots and tend to grow in dense thickets.
Flowers open and close in reaction to temperature and light. Many, such as roses, snapdragons, daisies and geraniums, stay open once they bloom, whether it's daytime or nighttime. Others, such as four o'clocks, open in the late afternoon in reaction to cooler temperatures. And still others, such as angels trumpets, bloom at night. Gazanias are daisy-like flowers about 2 inches in diameter in shades of white, yellow, pink and orange, often banded in contrasting colors. The plants are short--only about 12 inches high.