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Charles Darwin believed that nyctinasty exists to reduce the risk of plants freezing. [13] Nyctinasty may occur to protect the pollen, keeping pollen dry and intact during the nighttime when most pollinating insects are inactive. [14] Conversely, some flowers that are pollinated by moths or bats exhibit nyctinastic flower opening at night. [14]
Many are used as food plants, though not all members of the genus are equally flavorful. In most cases, both bulb and leaves are edible. The characteristic Allium flavor depends on the sulfate content of the soil the plant grows in. [15] In the rare occurrence of sulfur-free growth conditions, all Allium species completely lose their usual ...
Allium bisceptrum, also known as the twincrest onion or aspen onion, is a high elevation plant native to western United States. It is a perennial that thrives under damp and shady conditions or open meadows in California , Arizona , New Mexico , Nevada , Oregon , Washington , Idaho , and Utah .
Zonal pelargoniums are examples of free-flowering plants, which bloom profusely throughout the year. [1]In gardening, the term free-flowering is used to describe flowering plants that have a long bloom time and may often lack a defined blooming season, whereby producing flowers profusely over an extended period of time, at times all-year round. [2]
Some moonflowers, which flower at night, are also in the morning glory family. Because of their fast growth, twining habit, attractive flowers, and tolerance for poor, dry soils, some morning glories are excellent vines for creating summer shade on building walls when trellised, thus keeping the building cooler and reducing heating and cooling ...
30% of the expected length of flower stem reached 55: 505: Flower stem at full length; sheath closed 57: 507: Sheath burst open 59: 509: First flower petals visible; flowers still closed 6: Flowering 60: 600: First flowers open (sporadically) 61: 601: Beginning of flowering: 10% of flowers open 62: 602: 20% of flowers open 63: 603: 30% of ...
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Bulbine bulbosa, commonly known as bulbine lily, native leek, golden lily, or native onion, [2] is a species of flowering plant in the family Asphodelaceae and is endemic to Australia. It is a perennial herb with thick roots, channelled leaves, and yellow flowers with hairy stamen filaments .