(Annonaceae) Uvaria tonkinensis Finet & Gagnep.

Local name(s): ຂາ ໜ້ອງ ​ໄກ່ (kha nong kai)

Medicinal use(s): Used as a tonic for the heart.

Part(s) used: stem

Field Characters: Treelet with liana-like branches, fruits green, turning black. Very common.

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 15037

Collection Date: May 30, 2014

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2313914.

Synonyms, images, taxonomic description: 

Plants of the World onlineFlora of China Vol. 19 Page 674, 675GBIF | Global Biodiversity Information Facility

Medicinal properties:


Christopher R.  Plant species of the genus Uvaria : ethnobotanical uses, biological activities and phytochemistry. Natural Product Research 2021, 36:1-16. DOI:10.1080/14786419.2021.1929972 

Zhao W-m, Qin G-w, Ren-Zhou Yang R-Z, et al. Tonkinenin A. A New Polyoxygenated Cyclohexane Derivative from Uvaria tonkinensis. Tetrahedron 1996, vol. 52, no. 38, pages 12373-12380. https://www.sciencedirect.com/science/article/pii/0040402096007569?ref=pdf_download&fr=RR-2&rr=90dde799c819f163