Monodora myristica (Cultivated)

Monodora myristica (Gaertn.) Dunal, Monogr. Anonac. 80 1817. (syn: Annona myristica Gaertn.; Monodora borealis G. Elliot; Monodora claessensii De Wild.; Monodora unwinii Hutch. & Dalziel);   

The calabash nutmeg tree grows naturally in evergreen forests from Liberia to Nigeria and Cameroon, Ghana, Angola and also Uganda and west Kenya.[4]  as per Wikipedia;
Id requested for the tree species : 2 posts by 2 authors. Attachments (2)
Picture send by my friend 
Place : Alipur horticultural garden, Kolkata
Date : 14 February 2019