Gastrochilus obliquus

Gastrochilus obliquus is a species of orchid native to China, the Himalayas and Southeast Asia. It grows on tree trunks at forest margins. Two varieties are recognized:

Gastrochilus obliquus var. obliquus - Sichuan, Yunnan, India, Nepal, Bhutan, Assam, Andaman Islands, Myanmar, Thailand, Laos, Vietnam
Gastrochilus obliquus var. suavis Z.H.Tsi - Thailand