Traditional Culture Encyclopedia - Weather inquiry - What plants can predict the weather? What plants can predict the weather and why?
What plants can predict the weather? What plants can predict the weather and why?
Feng yuhua
There is a kind of rain flower in Xishuangbanna, China. When heavy rain comes, many flowers will bloom. This is because before the rain, the outside air pressure plummeted and the weather was sultry, which enhanced the transpiration of plants. Bulbs that store nutrients for flowers will produce a large number of hormones to promote flowering, thus producing a large number of flowers.
"warm grass"
There is a kind of "warm grass" in Sweden called trichromatic ghost, which is extremely sensitive to temperature changes. When the temperature is above 20℃, the leaves extend obliquely upward; At 15℃, the blade moves down slowly until it is parallel to the ground; At 10℃, the blades extend obliquely downward.
willow leaf
When walking by the river in summer, if you find that the willow leaves have turned white, it may rain in the future. Because the willow leaves will all reverse before it rains, and the reverse side of the willow leaves is light green with a layer of "white frost" on the surface.
Pumpkin vine
In summer morning, the top of pumpkin vine is generally upward, which indicates that the weather will turn from sunny to rainy. Because the stalk at the top of the pumpkin vine usually grows downwards and forwards. However, if the top of pumpkin vines is generally facing down on rainy days, it indicates that the weather will clear up.
Mimosa pudica
We know that touching a mimosa with our hands will shrink its leaves. If the contraction is slow, or the leaves open immediately after closing, it indicates that it will rain soon. On the other hand, if it is closed soon, but it takes a long time to recover, it indicates a clear sky in Wan Li.
moss
As the saying goes, "When the water surface is covered with moss, there will be heavy rain", because before it rains, the temperature drops suddenly and the pressure on the water surface of the pond decreases, resulting in the moss on the bottom of the water surface of the pond.
Artemisia selengensis
Artemisia scoparia is a plant with strong drought tolerance. In the dry weather where it doesn't rain for a long time, if there are many tender white buds on the roots of Artemisia selengensis, it indicates that it will rain soon.
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