(Rubiaceae) Ridsdalea wittii (Craib) J.T.Pereira 

Local name(s): 

Medicinal use(s): (not provided at time of interview)

Part(s) used: 

Field Characters: Treelet, stem brown, smooth, flower buds large, white, when opened petal surface inside with pinkish purple dots ornamentation. Only this tree seen.


Locality: Attapeu Province, Samakhi Xay District, Beng Phou Kham, Ban 52, at a roadside between Attapeu and Pakse, about 56 km from Attapeu, in the forested area of the Xenamnoi hydroelectric power dam.

Habitat: Roadside, edge of forest at base of a forested slope, in a submontane tropical rain forest.

Altitude: 210 m asl. 

Collector(s): D.D. Soejarto & K. Sydara 

Collection number(s): DDS 15280

Collection Date: April 2, 2017

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA, under accession no. 2324256.Leaf, stembark, root samples of DDS 15280 were submitted for anticancer testing.
Project: PO1

Synonyms, images, taxonomic description: 


Plants of the World onlineGBIF | Global Biodiversity Information Facility (as Rothmannia wittii)

Medicinal properties:

Chaipukdee N, Kanokmedhakul K, Kanokmedhakul S, et al.. Two new bioactive iridoids from Rothmannia wittii. FacSci Med Health 2016, 113: 97–101. DOI: 10.1016/j.fitote.2016.07.007

Yamasaki K, Kanchanapoom T, Klai-on S, et al. A New Tricyclic Iridoid Glucoside from the Thai Medicinal Plant, Rothmannia wittii. Heterocycles 2002, 57(12): 2409–2412. https://doi.org/10.3987/com-02-9622