Bulbophyllum tridentatum Kraenzl., Bot. Tidsskr. 24: 8 (1901);
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Arunachal Pradesh to Thailand: East Himalaya, Myanmar, Thailand as per POWO;
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Common name: Three-Toothed Bulb-Leaf Orchid
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Images and details from Jambey Tsering ji:

Bulbophyllum tridentatum West Kameng, Arunachal Pradesh 06.11.2018 180m Planted

 

 

 


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References:
POWO  Catalogue of Life  Flowers of India