salsilla

from The Century Dictionary.

• noun A name of several plants of the genus Bomarea, yielding edible tubers.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun tropical vine having umbels of small purple flowers and edible roots sometimes boiled as a potato substitute; Colombia
• noun tropical vine having pink-and-yellow flowers spotted purple and edible roots sometimes boiled as a potato substitute; West Indies to northern South America