Why is cordate telosma so fragrant?

Most of our common plants bloom during the day and give off fragrance after flowering. Cordate telosma is not the case. Only at night will it give off a strong fragrance. Why is this? This strange temper of cordate telosma took several generations to form. Many plants rely on insect pollination to reproduce their offspring. A plant that pollinates by insects that move during the day. During the day, flowers are fragrant and welcome messengers. Cordate telosma is pollinated by moths that appear at night. In the dark, with its strong fragrance, it lures winged "guests" to visit and delivers pollen to them. This habit of cordate telosma is an adaptation to the environment. 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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