Answer: Doubanlan is one of many outstanding in YunnanOrchidOne of the varieties, Doubanlan is a subspecies of Chunlan. It has been separated into a line. Hybrids with Chunlan have a delicate fragrance. If it does not bloom, it will look similar to Chunlan, which is difficult to distinguish. After flowering, DoubanOrchidThe petals are thick, dark green, and the flower type is good, but it is not fragrant. If there is a fragrant, it is usually hybridized. Pure watercress has no fragrance.