East Indian sparsely prickly annual herb or perennial subshrub widely cultivated for its fleshy calyxes used in tarts and jelly and for its bast fiber
source: WordNet 3.0
a malvaceous plant (Hibiscus Sabdariffa) cultivated in the east and West Indies for its fleshy calyxes, which are used for making tarts and jelly and an acid drink.