Stephania glabra
Content: cycleanine, inhibitor of nitric oxide production reducer of tumour necrosis factor; stepholidine, sedative and antispastic; tetrahydropalmatine, antispasmodic, gastro-intestinal, sedative, cardiotonic activity.
Region: east Asia, China, India, Nepal, Bangladesh, Myanmar, Thailand.
Habitat: shrubland.
Botany
Herbaceous, perennial climbing plant; stems twining from a large, underground tuber; root is very bitter.