Vanda coerulea, commonly known as Blue Vanda or Autumn Lady's Tresses, is a species of orchid endemic to Assam

Assam

Assam , also, rarely, Assam Valley and formerly the Assam Province , is a northeastern state of India and is one of the most culturally and geographically distinct regions of the country...

 and neighbouring Khasi hills with its range extending to China

China

Chinese civilization may refer to:* China for more general discussion of the country.* Chinese culture* Greater China, the transnational community of ethnic Chinese.* History of China* Sinosphere, the area historically affected by Chinese culture...

 (southern Yunnan

Yunnan

Yunnan is a province of the People's Republic of China, located in the far southwest of the country spanning approximately and with a population of 45.7 million . The capital of the province is Kunming. The province borders Burma, Laos, and Vietnam.Yunnan is situated in a mountainous area, with...

). It is known as Bhatou phul in Assamese

Assamese language

Assamese is the easternmost Indo-Aryan language. It is used mainly in the state of Assam in North-East India. It is also the official language of Assam. It is also spoken in parts of Arunachal Pradesh and other northeast Indian states. Nagamese, an Assamese-based Creole language is widely used in...

, Kwaklei in Manipuri, October in Mizo and Vandaar in Sanskrit. It has bluish purple flowers (no orchid has true blue flowers) which live longer compared to other orchids.

The juice of flower is used as eye drops against glaucoma, cataract and blindness.
Active ingredients of Vanda coerulea may fight against the visible signs of ageing skin .