The common mango apparently originated in regions on the western border of the secondary centre of diversification mentioned above. Truly wild mango trees have been recorded in Bangladesh (Chittagong Hill tract, c.23°N), northeastern India ('undoubtedly indigenous in the evergreen tracts of valley of Assam' according to Kanjilal et al., 1937), and in Myanmar where it was reported as 'not unfrequent in the tropical and lower mixed forests all over Burma from Arracan and Pegu down to Tenasserim' (Kurz, 1877). It would be desirable to assess its affinity with the species of the section Euantherae, as well as with species of other sections of the subgenus Mangifera that occur in the same area and region. It is also believed to be wild 'in the sub-Himalayan tract, in deep gorges of the Baraitch and Gonda hills in Oudh, and the outer hills in Kamaon and Garhwal' (Brandis, 1874). The common mango has been grown and disseminated for such a long time in India that semi-wild trees can be found in the forests throughout the subcontinent. The fruits of wild trees are said to be small and of poor quality. Watt (1891) mentioned two so-called 'almost unaltered wild varieties' existed under cultivation in Tirhoot, 'one originating from Kangra, a very variable one, and the other from Sikkim which was evidently the progenitor of the varieties cultivated in Malda'.
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