Botanical Overview

Hibiscus sabdariffa, commonly known as Roselle or Sour tea, is a member of the Malvaceae family. It is cultivated widely across tropical Asia, Africa, and parts of the Caribbean. The primary parts used medicinally are the calyces, leaves, and seeds, notable for their vibrant color and tart flavor.

Energetics

This plant is classified as having a cooling temperature and moistening moisture quality. Its taste profile is mainly acidic and sour. Energetically, it is considered relaxing and associated with supporting the flow of qi.

Primary Actions

• Antioxidant
• Antihypertensive
• Diuretic
• Antimicrobial
• Digestive tonic

Indications

Western

• Hypertension
• Fever
• Digestive discomfort
• High cholesterol
• Edema

Syndromes

• Essential hypertension
• Hyperlipidemia
• Fluid retention

TCM

• Thirst
• Heat sensations

Syndromes

• Damp-heat
• Heat in the blood

Ayurveda

• Pitta imbalance
• Digestive inflammation

Syndromes

• Pitta dosha aggravation
• Heat in the digestive tract

Unani

• Thirst
• Fever
• Inflammation

Syndromes

• Heat imbalance
• Excess bile

Constituents & Mechanisms

Hibiscus sabdariffa contains a range of phytochemicals including anthocyanins, flavonoids, organic acids, polyphenols, and vitamin C which contribute to its antioxidant, antihypertensive, and antimicrobial effects.

Dosage & Preparations

• Infusion: 1-2 g dried calyx steeped in hot water 1-3 times daily
• Decoction of calyces: 5-10 g in 250 mL water, 1-2 times daily
• Extracts standardized to anthocyanins 250-500 mg daily

Safety & Contraindications

Hibiscus sabdariffa is generally well tolerated. Caution is advised for individuals with low blood pressure or those on antihypertensive medications due to additive blood pressure effects. Limited data exist on its safety in pregnancy and lactation; thus, high doses are not recommended. No significant toxicity has been reported traditionally.

Astrological Correspondences

No definitive planetary or elemental rulers have been identified for Hibiscus sabdariffa based on current reputable herbal esoteric sources.

Selected References

• Hibiscus sabdariffa, Plants For A Future
• WHO Monographs on Selected Medicinal Plants – Hibiscus sabdariffa (1999)
• Community herbal monograph on Hibiscus sabdariffa, EMA (2015)
• Phytochemical, pharmacological and toxicological aspects of Hibiscus sabdariffa, Ajiboye (2018)
• Antihypertensive effect of Hibiscus sabdariffa, Ojeda et al. (2009)