(Araliaceae) Heteropanax fragrans (Roxb.) Seem.

Local name(s): ອ້ອຍ ຊ້າງ (oy xang)

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

Part(s) used: stem, leaf

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

Locality: Oudomxay Province, Muang Xay District, Donxay Village, Medicinal Biodiversity Preserve, about 3 km south of city. 

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. 2314196.

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Local name(s): (Ton Oy Xang)

Medicinal use(s): treat sweaty fever 

Part(s) used: stem; root

Field Characters: Tree measuring up to 10 meters high, with yellow leaves.

Locality: Vientiane Municipality, Santhong District, Ban Nathiam.

Habitat: 

Altitude: 630 m asl. 

Collector(s): V. Somsamouth

Collection number(s): LAOS 311

Collection Date: February 14, 2002

Additional information:  

Medicinal properties:

Changmai M, Chetia J, Upadhyaya S, et al. Phytochemical and Biochemical Analysis of Two Host Plants of Eri Silkworm, Samia ricini (D.). Int J Pharm Sci Rev Res 2015, 32(2), Article No. 30, Pages: 187-192. https://globalresearchonline.net/journalcontents/v32-2/30.pdf

Heteropanax Fragrans Plant Extract Benefits. https://ontosight.ai/glossary/term/heteropanax-fragrans-plant-extract-benefits--67a2897ec445bf945af238c8

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