(Menispermaceae) Stephania rotunda Lour.

Local name(s): (tom ngum)

Medicinal use(s): Used for nervousness.

Part(s) used: tuber

Field Characters:  Shrubby-vine with simple, alternate leaves, sometimes 2 leaves per stem apex. Leaves rounded with petiole attaching in center of leaf. Very large tap root.

Locality: Bolikhamsai Province, Paksan District' Nong Sa Man Village. 

Habitat: -

Altitude: 208 m asl 

Collector(s): A. Libman, S. Bouamanivong, K. Kunsawanhh

Collection number(s): LAOS 495

Collection Date: July 11, 2003

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2252609.

Synonyms, images, taxonomic description: 

Plants of the World onlineGBIF | Global Biodiversity Information Facility

Medicinal properties:


Chea A, Hout S, Bun SS, Tabatadze N, et al. Antimalarial activity of alkaloids isolated from Stephania rotunda. J Ethnopharmacol 2007, 112(1):132-7.  DOI: 10.1016/j.jep.2007.02.005
Desgrouas C, Taudon N, Bun SS. Ethnobotany, phytochemistry and pharmacology of Stephania rotunda Lour. J Ethnopharmacol 2014, 154(3):537-63. DOI: 10.1016/j.jep.2014.04.024

Kozuka M, Miyaji K, Sawada T, Tomita M. A Major Alkaloid of the Leaves and Stems of Stephania rotunda. Journal of Natural Products 1985, 48 (2), 341-342. https://doi.org/10.1021/np50038a038 


Semwal DK, Badoni R, Semwal R, et al. The genus Stephania (Menispermaceae): chemical and pharmacological perspectives. Journal of Ethnopharmacology 2010,,132(2):369-383. DOI: 10.1016/j.jep.2010.08.047. PMID: 20801207. https://doi.org/10.1016/j.jep.2010.08.047