Vaccinium glaucoalbum

Vaccinium glaucoalbum Hook. f. ex C.B. Clarke, Fl. Brit. India 3(9): 453 453 1882. ;
Please help me to identify the Vaccinium species given in the photo. The descriptions are:
1. Genus        : Vaccinium
2. Habit          : Shrub
3. Height        : 0.5 m epiphyte on rock; upto 2 m tall on soil+shade
4. Leaf           : 3.5-4.5 cm x 2.5-3.5 cm
5. Fruit          : Usually 10 in number, sometimes 11-12
6. Fruit size   : 0.5-0.7 cm
7. Fruit properties: Edible, sour in taste
6. Location    : Temerate forest of Tawang district (adjoining Bhutan), Arunachal Pradesh, India (East Himalaya)
7. Altitude     : 2500 m -2800 m
8. Associated species: Rhododendron, Berberis, Rubia, Swertia, etc.
Thank you for your collection of the above nice Vaccinium sp. I think You traced the populations of this species from Sangri-La to just before Se-la pass. My friend Dr. HUI TAG is the faculty of Botany in your University. Please tell Dr. Hui Tag to call me/mail me (...)
The Plantis: Vaccinium glaucoalbum Hook.f. ex C.B.Clarke in Hook.f., Flora of British India 3: 453. 1882 ("glauco-album").
Family: Ericaceae
Distribution: India (Eastern Himalaya--Sikkim, Darjeeling of West Bengal & Arunachal Pradesh); Eastern Nepal, Bhutan, SE China, N. Myanmar.