Melocactus communis.
Botanical name:
Melocactus communis Link & Otto. Cacteae. Melon Cactus. Turk's-Cap Cactus.
South America and the West Indies. According to Unger, this cactus bears an edible fruit.
Sturtevant's Edible Plants of the World, 1919, was edited by U. P. Hedrick.
