Okra, Lady's Fingers or Gumbo are immature seed pods from a hibiscus plant. When cooked, okra becomes sticky and syrupy, so will thicken soups and stews. Okra is popular in the southern parts of the USA. In India, okra is known as bhindi, and in the Middle East, bamia, often cooked into lamb stew.
Dowell, P., Bailey, A. (1980) The Book of Ingredients, Dorling Kindersley. ISBN 0718119150.