noun. 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.
1. Verb, base form You’ll often see the species Hibiscus sabdariffa (or roselle) and Hibiscus rosa-sinensis (China rose), but the most popular type of hibiscus is Hibiscus syriacus (the Rose of Sharon). 2. Noun, singular or mass The plant roselle (Hibiscus sabdariffa) is a garden annual that grows to 7 feet high and almost as wide. 3. Noun, plural If you are growing roselle only to produce the calyces for tea, plant the shrubs in mid-May.