Hyoscyamus rosularis
NameHyoscyamus rosularis
Scientific NameHyoscyamus rosularis
Common NamesRosular Henbane, Central Asian Henbane, Henbane (general genus name)
Plant FamilySolanaceae
Natural HabitatNative to mountainous and arid regions of Central Asia, often found on dry, stony slopes, scree, and disturbed ground at higher altitudes.
Parts Usedleaf,seed,whole_plant
Medicinal Actionsanalgesic,nervine,sedative
Traditional UsesHistorically, Hyoscyamus species, including potentially H. rosularis, have been used as powerful sedatives and pain relievers for severe pain, insomnia, nervous agitation, and muscle spasms. Due to its extreme toxicity, it was used with utmost caution, often externally as poultices or oils for localized pain.
Active Constituentshyoscyamine, scopolamine, atropine
Preparation Methodstincture,poultice,salve
Contraindications & WarningsExtremely toxic; all parts of the plant are poisonous. Contraindicated in glaucoma, prostatic hypertrophy, heart conditions (tachycardia), pregnancy, breastfeeding, and in children or the elderly. Can cause severe anticholinergic effects, including hallucinations, delirium, and respiratory paralysis; overdose can be fatal. Interacts with other anticholinergic drugs, sedatives, and alcohol.
Cultivation NotesPrefers dry, well-drained, rocky or sandy soil and full sun. Not recommended for cultivation by individuals due to its extreme toxicity and the specialized knowledge required for safe handling and processing.
Rarityuncommon
Description
Hyoscyamus rosularis is a perennial or biennial herb characterized by a basal rosette of ovate to oblong, often glandular leaves. It produces flowering stems bearing bell-shaped flowers with pale yellowish or whitish petals and a distinctive dark purple or violet throat. The plant typically grows in rocky, arid environments.
