(Apocynaceae) Holarrhena curtisii King & Gamble

Local name(s): 

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

Part(s) used: 

Field Characters: Vine, latex milky white, flowers paper white.

Locality: Prefecture Vientiane, Hatxiafong District, Ban Khuay Daeng, forest 2-3 km from village.

Habitat: Logged-over secondary Dipterocarp forest.

Altitude: 250 m asl. 

Collector(s): D.D. Soejarto, B. Southavong

Collection number(s): DDS 10838

Collection Date: July 7, 1999

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2218272. Plant samples were submitted for anticancer testing.

Project:  NCI


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Local name(s): (tone mook noy)

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.

Project:  ICBG

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Local name(s): (mook tia)

Medicinal use(s): treat dysentery, diarrhea

Part(s) used: root

Field Characters: Small shrub up to 0.5-1 m high. Leaves simple, opposite, elliptic, covered with a dense silvery pubescence on the lower side. Flowers white, in cymose inflorescences.

Locality: Bolikhamxay Province, Bolikhamxay District, Houa Koun Village.

Habitat: 

Altitude:   m asl. 

Collector(s): S. Bouamanivong

Collection number(s): LAOS_727 (= SB 727)

Collection Date: May 31, 2005

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2282962.

Project:  ICBG

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.