Which flowers can forecast the weather?

There is a wonderful flower growing in Xishuangbanna, China. Whenever a storm comes, there will be a lot of beautiful flowers in full bloom. The red petals dyed the whole mountain forest and the cliff red.

According to this feature, people can know the weather changes in advance, so it is called rain flower.

Rain flower, also known as red rain curtain, calamus lotus and leek, is an herb flower of Allium in Amaryllidaceae. Its leaves are flat and linear, much like the long leaves of leeks, hanging in an arc.

Scientists have found through research that the mystery of rain and wind forecast by Feng Yuhua lies in that before storm warning, the external atmospheric pressure was reduced, the weather was sultry, and the transpiration of plants increased, which made bulbs storing nutrients produce a lot of hormones and prompted them to bloom many flowers.

Coincidentally, there is a magical flower growing in Australia and New Zealand. It can also predict sunny days and rain, so people call it Rain Flower.

This kind of flower is very similar to the chrysanthemum in China. Petals are also very long and have different colors.

The difference is that it is two to three times larger than chrysanthemums. So, why can newspapers make yuhua district forecast the weather?

This is because the petals of primrose are sensitive to humidity. On the eve of rain, the air humidity will increase. When the air humidity increases to a certain extent, the petals will shrink and tightly wrap the stamens, which indicates that it will rain soon.

When the humidity in the air decreases, the petals will slowly spread out, which indicates the arrival of sunny days. Local residents always take a look at the Yuhua newspaper to understand the weather before going out, so people affectionately call it the "weatherman".

The working people in our country can predict the rainfall from the color change of peach blossoms. Because the colors of peach blossoms are different in different years, when the peach blossoms are purple, it means that there is less rainfall in that year.

When peach trees have pink flowers, it shows that there was more rain that year.