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昙花,亦叫琼花,是多年生多肉植物,原属热带森林中附生类型的仙人掌类植物。新叶扁平,老枝园柱形,茎基部黄褐色,花生于叶状枝的边缘,无花梗,花型大,喇叭花,花重瓣纯白色,直径宽达30厘米,花萼筒状,红色,多在夏秋开花,其特性是晚间八、九点时开放,仅4～5小时即闭合。因此有“昙花一现”之说,不便观赏。为改变其晚间开花的习性,可让其白天开放。其办法是:当看到花蕾膨大,预计晚上即可开放时,于早上七点钟就将花盆搬至不透光亮的暗室内,一般等到上午11时左右,昙花即可全部开放,移至室外可一直开到晚上九点钟左右。比原开放时间增至一倍。这
Epiphyllum, also known as Viburnum, is a perennial succulent, originally belonging to the epiphytic type of cactus plants in tropical forests. New leaves flat, old branches cylindrical, stem base brown, peanuts in the edge of leafy branches, peduncle, flower pattern, daffodil, flowers, pure white petals, diameter 30 cm wide, calyx tube, red, More flowers in summer and autumn, its characteristics are open eight or nine o’clock, only 4 to 5 hours closed. Therefore, “short-lived ” said, inconvenience to watch. To change its habit of blooming at night, let it open during the day. The method is: When you see the blooming bud, is expected to open at night, at seven o’clock in the morning the pot will be moved to the dark room light-tight, usually until 11 am or so, the blossoms can be fully open to move to Outdoor can be opened until about nine o’clock in the evening. Double the original opening time. This