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Winged Yam (Dioscorea alata): Tropical Staple Crop

Overview

Winged yam (Dioscorea alata), also called white yam or ube, is a vigorous tropical vine grown for its large, starchy tubers. A staple food in many tropical regions, famous for its vivid purple flesh in some cultivars.

Botanical Details

Family: Dioscoreaceae
Genus: Dioscorea (dy-oh-SKOR-ee-uh)
Species: alata (a-LAY-tuh)
Synonym:Dioscorea rubella

Cultivation

Requires long, warm season, trellis, and deep, fertile soil. Tubers harvested after vine dies back. Used in sweet and savory dishes, desserts (ube halaya), and flour. Ornamental vine with heart-shaped leaves.

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