(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 

Additional information:  

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

Project: CCF

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Local name(s): 

Medicinal use(s): (not provided during interview)

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:  

Local name(s): 

Medicinal use(s): (not provided during interview)

Part(s) used: 

Field Characters: Shrub, fruits green, clearly 3-gonal, set on a lax terminal raceme, their styles prominent.

Locality: Bolikhamxai Province, Paksan District, Somsavath Village, Medicinal Plant Preserve, at 20 km from Paksan city center.

Habitat: Secondary forest. Remnants of broadleaved evergreen, lowland tropical rain forest, in regeneration from past conversion process.

Altitude: 190 m asl 

Collector(s): D.D. Soejarto & O. Souliya

Collection number(s): DDS 15046

Collection Date: May 30, 2014

Additional information:  

Synonyms, images, taxonomic description: 

Medicinal properties:

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.