
Argyreia siamensis
NameArgyreia siamensis
Scientific NameArgyreia siamensis
Common NamesSiamese Woodrose, Thai Woodrose
Plant FamilyConvolvulaceae
Natural HabitatNative to Southeast Asia, particularly Thailand and surrounding regions. It thrives in tropical and subtropical climates, often found in open forests, forest edges, disturbed areas, and along roadsides.
Parts Usedseed
Medicinal Actions
Traditional UsesThe seeds of Argyreia siamensis are traditionally known for their psychoactive properties, similar to other Argyreia species, and have been used for entheogenic or ritualistic purposes due to the presence of ergoline alkaloids.
Active ConstituentsLysergic acid amide (LSA), iso-LSA, Ergoline alkaloids
Preparation Methodspowder,infusion
Contraindications & WarningsDue to its psychoactive effects, Argyreia siamensis is contraindicated in pregnancy, breastfeeding, and individuals with pre-existing mental health conditions (especially psychosis) or cardiovascular issues. It can cause nausea, vomiting, confusion, and hallucinations, and may interact negatively with other psychoactive substances or medications.
Cultivation NotesPrefers tropical to subtropical climates, well-drained soil, and full sun to partial shade. It can be propagated from seed and requires a trellis or other support for its climbing habit.
Rarityuncommon
Description
Argyreia siamensis is a perennial climbing vine characterized by its cordate (heart-shaped) to ovate leaves and striking funnel-shaped flowers, typically pink to purplish in color. It often grows along the ground or climbs on other vegetation, producing small, round fruits containing seeds.




