(Dilleniaceae) Dillenia obovata (Blume) Hoogland

Local name(s): (Ton Suan Nai)

Medicinal use(s): used as a tonic for the elderly

Part(s) used: stem wood

Field Characters: 

Locality: Saravanh Province, Saravanh District, Ban San Thong.

Habitat: 

Altitude: 1028 m asl. 

Collector(s): K. Sydara

Collection number(s): LAOS_033

Collection Date: September 25, 1999

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2222120.

Synonyms, images, taxonomic description: 


Plants of the World onlineTaxonomic Study of Dillenia in Peninsular MalaysiaGBIF | Global Biodiversity Information Facility

Medicinal properties:


de Souza AA, Dias Viegas FP, Gontijo VS, et al. Antinociceptive Effect of Dillenia indica (Linn.) Mediated by Opioid and Cannabinoid Systems: Pharmacological and Chemical Studies. Chem Biodivers 2024, 21(3):e202301508. DOI: 10.1002/cbdv.202301508
Ebrahim HS, El-Hawary SSE, Ahmed GF, et al. Dillenia species: Insight into Managing Neurodegenerative Diseases. Egypt J Chem 2025, vol. 68, no. 9, pp. 503 – 519. https://ejchem.journals.ekb.eg/article_409740_d73f622ec33a0f2f87c0500c7c6c7950.pdf 
Sabandar CW, Jalil J, Ahmat N, Aladdin NA. Medicinal uses, chemistry and pharmacology of Dillenia species (Dilleniaceae). Phytochemistry 2017, 134:6-25. DOI: 10.1016/j.phytochem.2016.11.010

Thooptianrat T, Chaveerach A, Sudmoon R, et al.  Screening of phytochemicals and toxicity of medicinal plants,<i>Dillenia</i>species, reveals potential natural product resources. Journal of Food Biochemistry 2017, № 3, p. e12363. https://ouci.dntb.gov.ua/en/works/9Gggm5n9/