Bulbophyllum amplifolium (Rolfe) N.P.Balakr. & Sud.Chowdhury, Bull. Bot. Surv. India 9: 89 (1968) (syn: Cirrhopetalum amplifolium Rolfe );
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Bhutan to China (W. Yunnan, S. Guizhou): China South-Central, East Himalaya, Laos, Myanmar, Thailand, Tibet as per POWO;
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Common name: Large-Leaf Bulb-Leaf Orchid
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Images and details from From Jambey Tsering ji:

Bulbophyllum amplifolium West Kameng, Arunachal Pradesh 26.10.2021 1200m Planted

 

 

 


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References:
POWO  Catalogue of Life  Flowers of India