(Rubiaceae) Ridsdalea vietnamensis (Tirveng.) J.T.Pereira

Local name(s): (mak moh)

Medicinal use(s): For bone and nerve pain. 

Part(s) used: root, stem

Field Characters: Tree 8 m tall, fruits globular, green. Flower buds gray-green. Common.

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 14906

Collection Date: December 17, 2013

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2313752.

Synonyms, images, taxonomic description: 

Plants of the World onlineGBIF | Global Biodiversity Information FacilityCay Co VN GS Pham Hoang Ho online 

Useful references:


Phung KV, Averyanov LV, Maisak TV, et al. Checklist of the genus Ridsdalea (Rubiaceae, Gardenieae) in Vietnam with description of the new species R. backanensis. PhytoKeys 2024, 239:1-12. https://phytokeys.pensoft.net/article/113017/

Vann HT, Nguyen TT, Ton HTT, et al. Phytochemical composition and antibacterial activity of ethanolic extract from trunk of Rothmannia wittii (Craib) Bremek. (Rubiaceae) newly found in Vietnam. BioTechnologia (Journal of Biotechnology, Computational Biology and Bionanotechnology) 2020,  vol. 101 (4),  pp. 301–307. DOI: https://doi.org/10.5114/bta.2020.100422. Online publish date: 2021/01/04