Ethanolic rhizome extracts show antiacetylcholinesterase, antihistaminic, antispasmodic, and hypotensive activities (WO2). Leaves emit isoprene (WO3).
Said to raise the blood pressure in high doses, lower it in lower doses (AHL). Leaves may contain bufotenine, which is reportedly antialzheimeran, anticholinesterase (1/30th physostigmine), aphrodisiac, cardioactive, CNS-active, hallucinogenic, hypertensive, mydriatic, respiraparalytic, and serotoninergic (http://www.ars-grin.gov/duke).
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