(Euphorbiaceae) Trigonostemon flavidus Gagnep.

Local name(s): (teen seen boh hai)

Medicinal use(s): General tonic.

Part(s) used: root

Field Characters: Shrub, 2 m tall, fruits brown, hairy. Dark forest floor.

Locality: Savannakhet Province, Kaysone district, Medicinal Biodiversity Preserve, at 19 km from city center on road Kaysone-Seno..

Habitat: Broadleaved evergreen, lowland tropical rain forest in regeneration from some degree of past conversion.

Altitude: 158 m asl 

Collector(s): D.D. Soejarto, K. Sydara, O. Souliya

Collection number(s): DDS 14932

Collection Date: December 18, 2013 

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Local name(s): 

Medicinal use(s): 

Part(s) used:

Field Characters: Shrub, 1-2 m high, with simple, green leaves. Stem hairy. Black long root with hair. Red flower.

Locality: Savannakhet Province, Khanthabouly District, Banh Nonh Sa Vang.

Habitat: 

Altitude: 562 m asl. 

Collector(s): O. Souliya

Collection number(s): LAOS 356 (OS 356)

Collection Date: March 10, 2002

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2245921; 313701.

Synonyms, images, taxonomic description: 

Plants of the World onlineFlora of China Vol. 11 Page 272, 273Euphorbiaceae Trigonostemon flavidus

Useful references:


Song K, Li M, Yang Y,  et al. Trigonostemon species in south China: Insights on its chemical constituents towards pharmacological applications. Journal of Ethnopharmacology 2021, volume 281, 114504. ISSN 0378-8741. https://doi.org/10.1016/j.jep.2021.114504.

Tang G, Zhang Y, Gu Y-C, et al.  (2012). Trigoflavidols A-C, Degraded Diterpenoids with Antimicrobial Activity, from Trigonostemon flavidus. Journal of natural products 2012, 75:996-1000. DOI:10.1021/np3001128. 

Tang G-H, He H-P, Gu Y-C, et al. 3,4-seco-Diterpenoids from Trigonostemon flavidus. Tetrahedron 2012, volume 68, issue 47, pages 9679-9684. ISSN 0040-4020.https://doi.org/10.1016/j.tet.2012.09.052.