Hyoscyamus grandiflorus
NameHyoscyamus grandiflorus
Scientific NameHyoscyamus grandiflorus Franch.
Common NamesHenbane (a species of), Large-flowered Henbane
Plant FamilySolanaceae
Natural HabitatNative to Western Asia, particularly Iran, growing in semi-desert shrubland, rocky slopes, and disturbed areas at moderate altitudes. It thrives in well-drained soils and sunny locations.
Parts Usedleaf,flower,seed
Medicinal Actionsanalgesic,sedative,nervine
Traditional UsesTraditionally used as a potent sedative and pain reliever for conditions such as insomnia, nervous tension, muscle spasms, and severe pain. Due to its extreme toxicity, its historical use was highly cautious and is now largely superseded by safer alternatives.
Active ConstituentsHyoscyamine, Scopolamine, Atropine
Preparation Methodstincture,powder,poultice
Contraindications & WarningsHighly toxic. Contraindicated in pregnancy, breastfeeding, glaucoma, prostatic hypertrophy, heart conditions (tachycardia), paralytic ileus, and urinary retention. Avoid use with other anticholinergic drugs, sedatives, or alcohol. Use only under strict medical supervision, if at all.
Cultivation NotesPrefers full sun and well-drained soil. Can be propagated from seed. Requires careful handling due to the plant's high toxicity. Not commonly cultivated for general use.
Rarityuncommon
Description
An annual or biennial herb characterized by large, irregularly toothed or lobed leaves and prominent, often hairy stems. It produces large, bell-shaped flowers that are typically yellowish-white with striking purple venation.
