Physochlaina macrophylla
Image: Pratt, A.E. (cc-by)
NamePhysochlaina macrophylla
Scientific NamePhysochlaina macrophylla Bonati
Plant FamilySolanaceae
Natural HabitatNative to high-altitude regions of West Sichuan and the Tibetan Frontier, typically found at elevations between 9,000 and 13,500 feet (approximately 2,740 to 4,115 meters).
Parts Usedleaf,whole_plant
Medicinal Actionssedative,analgesic
Traditional UsesTraditionally, plants containing tropane alkaloids are used for their potent sedative and analgesic effects, often employed to alleviate severe pain, calm nervous agitation, and induce sleep. Due to their toxicity, such plants are typically used with extreme caution and under expert supervision.
Active Constituentstropane alkaloids, hyoscyamine, scopolamine, atropine
Preparation Methodsinfusion,tincture,powder
Contraindications & WarningsHighly toxic; contraindicated in pregnancy, lactation, glaucoma, benign prostatic hyperplasia, and individuals with heart conditions. Should not be used without strict medical or expert supervision due to the narrow therapeutic window and potential for severe adverse effects and poisoning. Interactions with other anticholinergic drugs are also a concern.
Cultivation NotesRequires specific high-altitude, mountainous conditions, likely well-drained soil, and a climate with distinct seasonal changes. Cultivation outside its native range would be challenging due to its specialized habitat requirements.
Rarityrare
Description
A herbaceous plant characterized by large, ovate leaves with prominent venation, attached to a sturdy stem. The specimen shows dried leaves and a portion of the stem, indicative of a plant from the nightshade family.
