Hyoscyamus flaccidus
NameHyoscyamus flaccidus
Scientific NameHyoscyamus flaccidus
Common NamesDesert Henbane, Native Henbane
Plant FamilySolanaceae
Natural HabitatNative to arid and semi-arid regions of Australia, it thrives in disturbed areas, sandy soils, and along ephemeral watercourses.
Parts Usedleaf,seed,whole_plant
Medicinal Actionsanalgesic,nervine,sedative
Traditional UsesTraditionally, Indigenous Australians used Hyoscyamus flaccidus for its narcotic and analgesic properties, often applied externally as a poultice for pain relief. It was also used internally with extreme caution for sedative effects, particularly for conditions involving pain or agitation.
Active Constituentshyoscyamine, scopolamine, atropine
Preparation Methodstincture,poultice,powder
Contraindications & WarningsHighly toxic and hallucinogenic. Contraindicated in pregnancy, breastfeeding, glaucoma, prostate enlargement, heart conditions, and with other anticholinergic medications. Use only under strict medical supervision due to narrow therapeutic window and high toxicity; overdose can be fatal.
Cultivation NotesPrefers full sun and well-drained, sandy soils. Tolerant of arid and semi-arid conditions. Can be considered a weed in its native habitat, often colonizing disturbed sites.
Raritycommon
Description
Hyoscyamus flaccidus is an erect annual or biennial herb, typically growing up to 1 meter tall. It features broad, often toothed or lobed leaves that can be sticky-hairy, and produces small, pale, often whitish or yellowish flowers.
