(Stemonaceae) Stemona tuberosa Lour.

Local name(s):  ຫົວ​ ສາມ ​ສິບ (hua sam sip)

Medicinal use(s):  tonic

Part(s) used: rhizome

Field Characters: Vine, leaves with clearly defined veins, opposite, fruits in pods.

Locality: Champassak Province, Pathoumphone District, Kiet Ngang Village Village, Xe Pian NPA, Phou Asa Forest.

Habitat: Secondary forest, shade.

Altitude: 175 m asl 

Collector(s): B. Elkington, V. Somsamouth, S. Thaimani

Collection number(s): BGE 126

Collection Date: July 2, 2009

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2301578.

Synonyms, images, taxonomic description: 

Plants of the World onlineFlora of China Vol. 24 Page 71GBIF Global Biodiversity Information Facility

Useful references:

Chen G, Brecker L, Felsinger S, Cai XH, Kongkiatpaiboon S, Schinnerl J. Morphological and chemical variation of Stemona tuberosa from southern China - Evidence for heterogeneity of this medicinal plant species. Plant Biol (Stuttg). 2017 Sep;19(5):835-842. doi: 10.1111/plb.12587. Epub 2017 Jun 28. PubMed PMID: 28580601.
Fang L, Song XQ, He TT, Zhu KK, Yu JH, Song JT, Zhou J, Zhang H. Two new polyketides from the roots of Stemona tuberosa. Fitoterapia. 2018 Sep;129:150-153. doi: 10.1016/j.fitote.2018.06.025. Epub 2018 Jun 28. PubMed PMID: 29964177.
Yue Y, Deng AJ, Li ZH, Liu AL, Ma L, Zhang ZH, Wang XL, Du GH, Qin HL. New Stemona alkaloids from the roots of Stemona tuberosa. Magn Reson Chem. 2014 Nov;52(11):719-28. doi: 10.1002/mrc.4099. Epub 2014 Jun 30. PubMed PMID: 24978192.