“月下美人”昙花也属多肉类植物,原产美洲墨西哥至巴西的热带沙漠中,那里的气候又干又热,但到晚上就凉快多了。晚上开花,可以避开强烈的阳光曝晒,而缩短开花时间,又可以大大减少水分的损失,有利于它的生存,使它生命得到延续。于是天长日久,昙花在夜间短时间开花的特性就逐渐形成,代代相传至今。每逢夏秋节令,繁星满天、夜深人静时,昙花开放,展现美姿秀色,当人们还沉睡于梦乡时,素净芬芳的昙花转瞬已闭合而凋萎,故有“昙花一 ”Moon beauty" Epiphyllum is also a multi-meat plant, native to the Americas, Mexico and Brazil in the tropical desert, where the climate is dry and hot, but much cooler at night. Flowering at night, you can avoid the intense sun exposure, and shorten the flowering time, but also can greatly reduce the loss of water is conducive to its survival, make it life continue. So over time, blossoming at night short-term blossoming features gradually formed, from generation to generation so far. Every summer and autumn, when the stars are full of sky and the dead of night, the film is open to show the graceful beauty. When people are asleep in their sleep, the epiphyllum of pure and fragrant fragrance has been closed and wilted.