Dear Friend,
Valmiki mentioned BHAVYA in his Ramayan.Scientifically this tree is known as Dillenia indica.It is known as CHALTA in Hindi and Bangla.
Foundin damp evergreen forests at the foot of the Himalayas from,Nepal eastwards.It becomes plentifulfrom S Kanara southwards(Distribution is from
Edible Wild Plants of The Himalayas by R L Badhwar and R R Fernandez).The white flower reminds one of the flower of Magnolia Grandiflora.Attaching an image of Dillenia indica.
Regards
Col (Retd) Bimal Sarkar
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