malanga

Xanthosoma sagittifolium Any of several Central American|Central and South American plants, of the genus Xanthosoma.
The edible tuber of these plants, some of which have medicinal value.
English malanga
(rfdat), Gabriel García Márquez, Cent’anni di solitudine, translated from Spanish to Italian by Enrico Cicogna (ISBN 88-04-48336-9), page 12:

... mentre Ursula e i bambini si rompevano la schiena nell’orto per coltivare il banano e la malanga, la manica e l’igname, la ahuyama e la melanzana.