(Myrtaceae) Psidium guajava L.

Local name(s): (Ton Si Da)

Medicinal use(s): treat infectious skin disease

Part(s) used: aged leaves

Field Characters: 

Locality: Saravanh Province, Saravanh District, Ban Xe Set.

Habitat: 

Altitude: 935 m asl. 

Collector(s): K. Sydara

Collection number(s): LAOS_027 (= Sydara 027)

Collection Date: September 24, 1999

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2222126.

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Local name(s): 

Medicinal use(s): as a detoxicant (poisoning antidoe; to reat diarrhea

Part(s) used: stem

Field Characters: Medium-sized tree, 5-10 m high, leaves opposite, leathery, green. Fruit globular, green, turning yellow. 

Locality: Sayabouli Province, Sayabouli District, Ban Na Lao.

Habitat: 

Altitude: 301 m asl. 

Collector(s): Kham Kone Kunsawanh

Collection number(s): LAOS_0257

Collection Date: June 14, 2001

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2246603.

Synonyms, images, taxonomic description: 


Plants of the World onlineFlora of China Vol. 13 Page 332GBIF | Global Biodiversity Information Facility

Medicinal properties:


Gutiérrez RM, Mitchell S, Solis RV. Psidium guajava: a review of its traditional uses, phytochemistry and pharmacology. J Ethnopharmacol 2008, 117(1):1-27. DOI: 10.1016/j.jep.2008.01.025
Gutierrez-Montiel D, Guerrero-Barrera AL, Chávez-Vela NA, et al. Psidium guajava L.: From byproduct and use in traditional Mexican medicine to antimicrobial agent. Front Nutr 2023,10:1108306.  doi: 10.3389/fnut.2023.1108306 

Liu C, Jullian V, Chassagne F. Ethnobotany, phytochemistry, and biological activities of Psidium guajava in the treatment of diarrhea: A review. Front Pharmacol 2024, Sec. Ethnopharmacology, volume 15. https://doi.org/10.3389/fphar.2024.1459066

Tousif MI, Nazir M, Muhammad Saleem M, et al. Psidium guajava L. An Incalculable but Underexplored Food Crop: Its Phytochemistry, Ethnopharmacology, and Industrial Applications. Molecules 2022, 27(20), 7016. https://doi.org/10.3390/molecules27207016

Ugbogu EA, Emmanuel O, Uche ME, et al. The ethnobotanical, phytochemistry and pharmacological activities of Psidium guajava L. Arabian Journal of Chemistry 2022, volume 15, issue 5, 103759. https://doi.org/10.1016/j.arabjc.2022.103759.