Dendrobium sulcatum

Dendrobium sulcatum, the furrowed-lip dendrobium, is an orchid native to Asia, in the family Orchidaceae.

Distribution and habitat
The plant is native to: It is an epiphyte and grows on tree trunks in dense forests.
 * The Eastern Himalayas — in Bhutan, China in Yunnan, and Northeastern India in Assam, Arunachal Pradesh, and Sikkim.
 * Northern Indochina — in Laos, Thailand, and Myanmar.