(Araliaceae) Heteropanax fragrans (Roxb.) Seem.

Local name(s): ອ້ອຍຊ້າງ (Oy xang)

Medicinal use(s): for swellings (edema), back-ache

Part(s) used: stem, leaf

Field Characters: Tree 8 m tall, stem slender, gray; sterile.

Locality: Oudomxay, Muang Xay District, Donxay Village, Medicinal Biodiversity Preserve, about 3 km south of city. GPS reading: 20o 40.0181’ N; 102o 00.155’ E.

Habitat: Open field near forest. Broadleaved, mixed evergreen lowland tropical rainforest formation.

Altitude: 730 m asl. 

Collector(s): D.D. Soejarto, K. Sydara, M. Xayvue 

Collection number(s): DDS 15083

Collection Date: September 26, 2014

Additional information:  

Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2314181.
Synonyms, images, taxonomic description: 
Plants of the World onlineFlora of China Vol.13 Page 474GBIF | Global Biodiversity Information Facility

Useful references:

Zhao S, Huang Z, Gao J. Lupane-type Triterpenoids from the Leaves of Heteropanax fragrans. Bull. Korean Chem. Soc. 2011, Vol. 32, No. 4 Notes. https://web.archive.org/web/20170826083412id_/http://ocean.kisti.re.kr/downfile/volume/chemical/JCGMCS/2011/v32n4/JCGMCS_2011_v32n4_1368.pdf