Dendrobium, one of the famous orchids, is mainly distributed in the tropics and subtropics of Asia, Australia and the Pacific. Its main varieties are Dendrobium nobile, Dendrobium Huoshan, Dendrobium candidum, etc.
Dendrobium huoshanense:
![Dendrobium huoshanense Dendrobium huoshanense](https://img.huabaike.com/uploads/allimg/artimg/201511/20151130140238_10834.png?x-oss-process=image/resize,w_600,limit_0/quality,q_80)
Dendrobium candidum:
![Dendrobium huoshanense Dendrobium huoshanense](https://img.huabaike.com/uploads/allimg/artimg/201511/20151130140309_87143.png?x-oss-process=image/resize,w_600,limit_0/quality,q_80)
Dendrobium nobile:
![Dendrobium huoshanense Dendrobium huoshanense](https://img.huabaike.com/uploads/allimg/artimg/201511/20151130140336_43931.jpg?x-oss-process=image/resize,w_600,limit_0/quality,q_80)