Habitat: Native to the West Indies; now cultivated in Uttar Pradesh, Andhra Pradesh, West Bengal, Bihar, Punjab, Assam and Tamil Nadu.
English: Roselle, Jamaican Sorrel, Natal Sorrel, Red Sorrel.Ayurvedic: Ambashtthaki.Siddha/Tamil: Sivappu Kashmakki, Pulichai-keerai, Gogu, Seemai Kaseru.Folk: Laal-ambaadi, Patavaa, Patsan.Action: Digestive, choleretic, antibilious, laxative, diuretic, hypotensive, antiscorbutic. Used as a cardiac and nervine tonic for disorders of circulation, also for calcified arteries.
Key application: Flowers—used for loss of appetite, for colds, catarrhs of the upper respiratory tract and stomach, for disorders of circulation. (Included among unapproved herbs by German Commission E.)The seeds contain sterols, including 3.2% ergosterol; leaves contain sitosterol-beta-D-galactoside. Flowers contain myricetin, kaempferol and quercetin, but did not contain free mutagenic flavonol aglycons.The aqueous extract of flower buds has been reported to decrease blood pressure, cause relaxation of rat uterus. Succulent sepals and leaves—hypoten- sive, antimicrobial and anthelmintic.Oil and unsapanofiable matter—antibacterial, antifungal.Dosage: Root—5-10 g. (API Vol. III.)