Which country did cashew nuts come from?

Cashew nuts from the tree Anacardium occidentaleoriginated in Peru and Brazil, but were taken by the Portuguese to India, Mozambique and West Africa.

There are also Australian cashew nuts from Semecarpus australiensis which is also native to the Torres Straits islands and Papua New Guinea.

The Oriental cashew nut Semecarpus anacardium, is native to the Indian subcontinent.

Cashew nuts are interesting because they grow under not in the fruit of the trees.