(Rubiaceae) Ridsdalea eucodon (K.Schum.) J.T.Pereira

Local name(s): ຕົ້ນໜາມເກັດ (Ton Nam Ked)

Medicinal use(s): treat boil

Part(s) used: twigs + leaves

Field Characters: Small tree 2-3 m high, has spine (thorn), leaves opposite, fruits spherical,  green, turning yellow. 

Locality: Khammuan Province; Nyommalath District; Thongkong Village, road side of Route to Khammouane Medicinal Biodiversity Preserve; at the southern reaches of Nakai Nam Theum National Park. 

Habitat: Tropical rainforest on flat level lands. 

Altitude: 150 m asl. 

Collector(s): O. Souliya, K. Phoulivong, D. Makiem and S. Pimmavong

Collection number(s): Onevilay_YML_001

Collection Date: July 21, 2023

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2333626.

Synonyms, images, taxonomic description: 


Plants of the World onlineGlobal Plants - JSTOR GBIF | Global Biodiversity Information Facility

Medicinal properties:


Chaipukdee N, Kanokmedhakul K, Kanokmedhakul S, et al. Two new bioactive iridoids from Rothmannia wittii. Fitoterapia 2016, 113:97-101. DOI: 10.1016/j.fitote.2016.07.007
Martins D, Nunez CV. Secondary metabolites from Rubiaceae species. Molecules 2015, 20(7):13422-95. doi: 10.3390/molecules200713422 

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/


Shan M, Yu S, Yan H, et al. A Review on the Phytochemistry, Pharmacology, Pharmacokinetics and Toxicology of Geniposide, a Natural Product. Molecules 2017, 22(10):1689. https://doi.org/10.3390/molecules22101689