Ornamental Hibiscus species are prized garden subjects, and colourful varieties are often sought after by avid enthusiasts. The medicinal aspects of Hibiscus, however, are less known among the general populace and are traditionally propagated by practitioners skilled in ethnobotanical customs. In recent decades, the pharmaceutical industry has identified potent antihypertensive capabilities in calyxes of Hibiscus sabdariffa, and each year studies unveil novel and innovative medicinal and biological uses of both calyx and leaf extracts. Many Hibiscus species have not been explored as intensely as H. sabdariffa, but there is a potential for uncovering biological and medicinal activities in closely related species.
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