Carlotea formosissimum, Carlotea speciosa.

Botanical name: 

Carlotea formosissimum Arruda. Family unknown.

Pernambuco. The tuberous root, abounding with soft and nutritive fecula, has afforded assistance to the people in parts of Brazil, in times of drought.

Carlotea speciosa Arruda. (not found -Henriette)

Pernambuco. The tuberous roots have found use in Brazil.

Sturtevant's Edible Plants of the World, 1919, was edited by U. P. Hedrick.