Physochlaina macrophylla
Image: Henry, A. (cc-by)
NamePhysochlaina macrophylla
Scientific NamePhysochlaina macrophylla Bonati
Plant FamilySolanaceae
Natural HabitatNative to mountainous regions of China (e.g., Sichuan, Gansu, Qinghai, Tibet) and Central Asia, growing on dry, sunny slopes, grasslands, or forest margins at high altitudes (2000-4000 meters).
Parts Usedleaf,root
Medicinal Actionsanalgesic,sedative
Traditional UsesTraditionally used in Chinese medicine for its potent analgesic and sedative properties, particularly to alleviate severe pain such as stomach pain, toothache, and rheumatic pain. It is also employed for its antispasmodic effects, though its high toxicity necessitates extreme caution.
Active ConstituentsHyoscyamine, Scopolamine, Atropine
Preparation Methodsdecoction,powder
Contraindications & WarningsHighly toxic; contraindicated in glaucoma, prostatic hypertrophy, tachycardia, pregnancy, and breastfeeding. Extreme caution is required due to severe central nervous system effects, hallucinations, and potential fatality from overdose. Must only be used under strict medical supervision.
Cultivation NotesPrefers well-drained soil and full sun. Hardy in its native high-altitude regions. Not commonly cultivated due to its high toxicity and specialized medicinal use.
Rarityuncommon
Description
A perennial herbaceous plant characterized by large, ovate to broadly ovate leaves with prominent venation. It typically grows to about 1 meter tall and produces bell-shaped flowers.
