How to tell if a flower is fresh
Posted On August 5, 2021
Fresh flowers can look new and fresh and that’s all they’re really all about, according to a new study by scientists.
The study, led by the University of Melbourne, was based on an analysis of the blooms of over 600 flower species collected in a large urban garden in Melbourne, Australia.
The study is published in the journal Current Biology.
“Our study reveals how the flowers we see in gardens can vary over time, especially when compared to what is seen in nature,” lead author and PhD student Simon Hirsch of the University’s Department of Geography and Environment, said in a statement.
The flowers we observe in nature are the result of a process called photoperiodicity, where certain periods of the day or seasons may lead to an increased production of certain plant species.
This, the researchers said, can result in the appearance of fresh flowers.
For the new study, researchers took a closer look at the different types of blooms that occur on the plants and found a lot of variation.
The plants in question are known as “fresh” flowers and are usually the result in nature of an increased number of flowers.
The flower type is also influenced by a host of other factors, such as the temperature and the relative humidity of the environment, Hirsch said.
The results of the study, which focused on the appearance and function of a few types of flowers, suggest that flower types are influenced by many different factors that vary depending on the location, climate and environment, the scientists said.
Hirsch said this can explain why we see different flowers at different times of the year and why there are many varieties of flowers that are produced.
“What’s interesting is that flower type can vary from place to place, and that is a pretty robust prediction,” he said.
“We found that the presence of flowers in different locations and different climate conditions has a direct impact on their appearance.”
For example, flowers can vary greatly depending on whether the weather is sunny or cloudy and how long it has been since the sun went down, he said, but they don’t necessarily have to be green to look fresh.
The researchers also noted that there are differences in the characteristics of each type of flower, including the size of the flower, the shape and appearance of the petals, the type of stem and the appearance, shape and color of the flowers themselves.
“The shape of flowers has a lot to do with their appearance,” Hirsch explained.
“You could see this with the shapes of the leaf or the flowers of the tomato.
It could also be the colour of the stems, and it can also depend on the presence or absence of flowers.”
There is also a relationship between the number of flower species present and the size and type of leaves present, as well as the size, shape, color and density of the blossoms, the authors said.
One of the most obvious differences between the types of floral types, however, was that different species are often seen in different types or types of habitats.
The species of flowers we observed in gardens varied from that found in nature, and some species were more common in the same environments than others.
“There is a lot going on here that has to do not only with the species, but the habitats they are found in,” Hisch said.
In the study’s abstract, Hisch and his colleagues noted that in urban environments where flower types tend to be more common, “the flowers are seen to be less vibrant and have a more greenish appearance, suggesting a greenish-tinged or blue-green appearance in comparison to the natural flower.”
The study found that these differences could be due to different photoperdices or different species in the flower that are able to control the amount of light entering the flower.
“These species can vary in colour, shape or morphology, but we suspect that they are able for example to adjust their photoperodices to allow less light entering into the flower,” Hissen said.
He said that if the plants in the garden are able or willing to control certain conditions, it may be possible to change the colour and shape of the plants themselves.
But he said that the results of this study don’t mean that you can’t see a green flower in a garden and it may not be one you’re used to seeing.
“It is possible to make use of these findings to better understand how species can adapt to different environments,” he added.
“As with all things in nature it’s possible that some species of plants might be able to survive a variety of different environments, but it’s more likely that the same species will be able adapt to a particular habitat.”
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Original article on LiveScience.