Traditional Culture Encyclopedia - Weather inquiry - What are the plants related to meteorology?
What are the plants related to meteorology?
In the plant kingdom, some members can predict the weather like a weather station. As the saying goes, "People don't know spring, birds don't know spring, birds don't know spring, grass knows spring." Let's take a look at some representative magical plants.
There is a wonderful flower growing in Xishuangbanna, my country. When a storm is about to come, a large number of flowers will bloom. It can predict the weather changes. It is called "wind and rain flower". Wind and rain flower, also known as red jade curtain, calamus lotus and leek lotus, is an herbaceous flower of the Allium genus of the Amaryllidaceae family. So, why can the wind and rain flower predict wind and rain? It turns out that before the storm arrives, the outside atmospheric pressure decreases, the weather is sultry, and the transpiration of plants increases. The bulbs that store nutrients in the wind and rain flower produce a large amount of hormones that promote flowering, prompting it to bloom many flowers.
Some perennial herbs, such as zoysia and thatch, can also predict the weather. When mildew appears at the intersection of the leaves and stems of zoysia, or water foam appears at the intersection of the leaves and stems of thatch, it indicates a rainy day. Therefore, there are proverbs like "zoysia grass grows moldy, it will rain"; "thatch leaves foam, it will rain tomorrow" proverbs.
Some grasses can not only predict the weather, but also measure the temperature. "Temperature grass" can measure the temperature like a thermometer. The leaves of this grass are oblong and the flowers are blue, yellow and white, so it is also called "pansy". Its leaves are extremely sensitive to air temperature. When the temperature is above 20°C, the leaves extend diagonally upward; when the temperature drops to 15°C, the leaves slowly move downward until they are parallel to the ground; when the temperature drops to 10°C At ℃, the leaves extend diagonally downward. If the temperature rises, the leaves return to their original shape. Local residents can know the temperature based on the direction in which its leaves extend.
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