(Combretaceae) Combretum quadrangulare Kurz

Local name(s): (Khai)

Medicinal use(s): as an antidiarrheal.

Part(s) used: 

Field Characters: Tree 8 m tall, leaves smooth, stem glabrous

Locality: Saravan Province, near Saravan-Champasak provincial border, on Pakxe-Savannakhet road. 

Habitat: Cultivated land with scattered forest trees; Near forest edge.

Altitude: c. 100 m asl.

Collector(s): D.D. Soejarto, B. Southavong, O. Souliya, Samphan

Collection number(s): DDS 11468

Collection Date: April 30, 2000

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA, under accession no. 2224188. This specimen serves as a taxonomic reference for Combretum quadrangulare.

Project:  NCI

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Local name(s): 

Medicinal use(s): 

Part(s) used: 

Field Characters: Tree 7 m tall, dbh 15 cm, bark gray, fissured, slash light brown, flowers dull pale green.

Locality: Saravan Province, near Saravan-Champasak provincial border, on Pakxe-Savannakhet road. 

Habitat: Cultivated land with scattered forest trees; Near forest edge.

Altitude: c. 100 m asl.

Collector(s): D.D. Soejarto, B. Southavong, O. Souliya, Samphan

Collection number(s): DDS 11468

Collection Date: April 30, 2000

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA, under accession no. 2224188. This specimen serves as a taxonomic reference for Combretum quadrangulare.

Project:  NCI


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Local name(s): (ton kae)

Medicinal use(s): Used to treat rheumatism.

Part(s) used: stem

Field Characters: Tree, simple. opposite, square stem.

Locality: Champasac Province, Bajieng District; Ton Sa La village

Habitat: -

Altitude: 219 m asl 

Collector(s): A. Libman, O. Souliya, B. Vanavong

Collection number(s): LAOS 554

Collection Date: August 8, 2003

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA, under accession no. 2252484.

Project:  ICBG

Synonyms, images, taxonomic description: 

Plants of the World onlineGBIF | Global Biodiversity Information FacilityUseful Tropical Plants

Medicinal properties:


Dao TB, Nguyen TM, Nguyen VQ, et al. Flavones from Combretum quadrangulare Growing in Vietnam and Their Alpha-Glucosidase Inhibitory Activity. Molecules 2021, 26(9):2531.   DOI: 10.3390/molecules26092531
Quin B, Nguyen T, Van M, et al. Chemical Composition and Antioxidant Activities of Extracts of Combretum quadrangulare Kurz Leaves Grown in An Giang Province, Vietnam. IOP Conference Series: Earth and Environmental Science 2021,. 939. 012060. https://www.researchgate.net/publication/356826739_Chemical_Composition_and_Antioxidant_Activities_of_Extracts_of_Combretum_quadrangulare_Kurz_Leaves_Grown_in_An_Giang_Province_Vietnam/citation/download 
Nguyen H-H, Nguyen T-P, Trung NT, et al. Two new cycloartanes from the leaves of Combretum quadrangulare growing in Vietnam and their biological activities. Arabian Journal of Chemistry 2021, volume 14, issue 7, 103189. https://doi.org/10.1016/j.arabjc.2021.103189.
Roy R, Singh R, Jash S, et al. Combretum quadrangulare (Combretaceae): Phytochemical Constituents and Biological activity. Indo American Journal of Pharmaceutical Research. 2014, 8. 3416-3427. https://www.researchgate.net/publication/272789918_Combretum_quadrangulare_Combretaceae_Phytochemical_Constituents_and_Biological_activity