“热带兰”是泛指兰科植物中分布于热带地区的种属。由于热带兰大多有发达的气根，可吸附在热带森林的树干、枝极、枯木或溪边岩石上；同时通过裸露在外的气根吸取水分与营养，故也被称之为“附生兰”或“气生一o从19世纪末叶开始，热带兰首先在西欧逐渐被广泛栽培，而后为北美 “Tropical Blue” refers to the species of Orchidaceous plants distributed in the tropics. Because most of the tropical orchid root has developed, can be adsorbed in the trunk of tropical forests, branches, dead wood or stream rocks; at the same time through the exposed roots to absorb moisture and nutrition, it is also known as “epiphytic ”Or“ Health ”o From the late nineteenth century onwards, tropical orchid was first widely cultivated in Western Europe and then North America