1. The structure of petals of nocturnal and other flower plants is different, and the stomata of petals will change according to the change of humidity. When the humidity is high, the pores will open wider and the fragrance will be stronger. Without the sun at night, the humidity will increase, so it will be more fragrant. In addition, if you observe carefully, you will find that the smell of rainy days is also relatively strong, because the humidity is higher than the day before, so it is also known as "rain fragrance".
2. In addition to the reason of high humidity at night, the nocturnal fragrance will be stronger at night because it blooms at night and only emits flavor after flowering. Like other flowers, they usually give off fragrance when they are pregnant, and the taste will become lighter when they are blooming.
Since we know that it will emit strong fragrance at night, we should pay attention not to put it in the bedroom for maintenance, otherwise it will affect sleep. In addition, it belongs to Solanaceae flowers, is toxic. Therefore, the maintenance should pay attention to methods, the best not to put in the air circulation is not good place, to avoid affecting health.
