Alphonso is a mango cultivar that is considered by many to be one of the best in terms of sweetness, richness and flavor. It has considerable shelf life of a week after it is ripe making it exportable. It is also one of the most expensive kinds of mango and is grown mainly in Kokan region of western India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

. It is in season April through May and the fruit weigh between 150g and 300g each.
The Alphonso Mango is named after Afonso de Albuquerque

Afonso de Albuquerque

Afonso de Albuquerque[p][n] was a Portuguese fidalgo, or nobleman, an admiral whose military and administrative activities as second governor of Portuguese India conquered and established the Portuguese colonial empire in the Indian Ocean...

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