The petals of cordate telosma are different from those that bloom during the day. The pores on the petals of cordate telosma have one characteristic. Once the humidity of the air is high, it will expand, the pores will expand, and more aromatic oil will evaporate. Although there is no sun at night, the air is much wetter than during the day, so the pores are wide and the aroma is particularly strong. If you pay attention, you will find that the flowers of cordate telosma are more fragrant than sunny days, not only at night, but also in rainy days, because the air humidity is high in rainy days.

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