(Apocynaceae) Holarrhena curtisii King & Gamble

Local name(s): (Ton Mouk Noi)

Medicinal use(s): treatment of backpain

Part(s) used: root

Field Characters: 

Locality: Saravanh Province, Saravanh District, Ban Keng Khoum.

Habitat: 

Altitude: 618 m asl. 

Collector(s): K. Sydara

Collection number(s): LAOS_045 (= Sydara 045)

Collection Date: September 28, 1999

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2222108.

Synonyms, images, taxonomic description: 


Plants of the World online
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Medicinal properties:



Abd Karim HA, Ismail NH, Osman CP, et al. Steroidal Alkaloids From the Apocynaceae Family: Their Isolation and Biological Activity. Natural Product Communications First published online November 27, 2022.   https://doi.org/10.1177/1934578X221141


Pawar G, Pandey V, Saxena HO, et al. Holarrhena species: a review of the traditional uses, active constituents and pharmacological properties. Discov Plants 1, 52 (2024). https://link.springer.com/article/10.1007/s44372-024-00052-9 
Zahari NF, Said I. Steroidal compounds from the roots of Holarrhena curtisii. Malaysian Journal of Analytical Science 2013,  17(2):281-285.