(Sapindaceae) Dimocarpus longan Lour. 

Local name(s): (koh leen leuang)

Medicinal use(s): Used as a detoxificant.

Part(s) used: stem

Field Characters: Tree 25 m tall, dbh 35 cm, bark gray, smooth, fruits yellow to orange, pulp translucent brown, sweetish.

Locality: Bolikhamxai Province, Paksan district, Somsavath Village, Medicinal Plant Preserve, at 20 km from Paksan city center.

Habitat: Secondary forest. Remnants of broadleaved evergreen, lowland tropical rain forest, in regeneration from past conversion process.

Altitude: 190 m asl 

Collector(s): D.D. Soejarto & O. Souliya

Collection number(s): DDS 15040

Collection Date: May 30, 2014

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2313917; 2313883.

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Local name(s): (mak koh len)

Medicinal use(s): Treat basedow disease.

Part(s) used: stem wood

Field Characters: 

Locality: Bolikhamxai Province, Paksan District, Somsavath Village, Medicinal Plant Preserve, at 20 km from Paksancity center.

Habitat: Secondary forest. Remnants of broadleaved evergreen, lowland tropical rain forest, in regeneration from past conversion process.

Altitude: 190 m asl 

Collector(s): D.D. Soejarto & O. Souliya

Collection number(s): DDS 15005

Collection Date: May 24, 2014

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2313917; 2313883.
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Local name(s): ຂ້າລີ້ນ (Kha Line) 

Medicinal use(s): 

Part used:

Field Characters: A large tree with alternate leaves and round fruits.

Locality: Khammuan Province; Nyommalath District; Thongkong Village, road side of Route to MBP at the southern reaches of Nakai Nam Theum National Park. 

Habitat: Tropical rainforest on flat level lands. 

Altitude: 190 m asl 

Collector(s): O. Souliya, K. Phoulivong, D. Makiem, S. Pimmavong 

Collection number(s): Souliya YML_091

Collection Date: July 21, 2023

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2332666.

Synonyms, images, taxonomic description: 

Plants of the World onlineFlora of China GBIF | Global Biodiversity Information Facility

Medicinal properties:


Dimocarpus longan. R. Bhat, G. Paliyath, in Encyclopedia of Food and Health, 2016. https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/dimocarpus-longan#chapters-articles

https://www.sciencedirect.com/referencework/9780123849533/encyclopedia-of-food-and-health

Huang J, Wang S, Lin C et al. Antioxidant and Anti-Inflammatory Properties of Longan (Dimocarpus longan Lour.) Pericarp. Evidence-Based Complementary and Alternative Medicine: ECAM, 2012. https://doi.org/10.1155/2012/709483

Shahrajabian MH, Sun W and Cheng OI. Modern pharmacological actions of Longan fruits and their usages in traditional herbal remedies. Journal of Medicinal Plants Studies 7(4):179-185