(Annonaceae) Sphaerocoryne affinis (Teijsm. & Binn.) Ridl.

Local name(s): ລຳ ດວນ (lam duan)

Medicinal use(s): Treat back pain.

Part(s) used: root

Field Characters: Treelet with drooping, liana-like branches, flower buds light green. Only one seen.

Locality: Savannakhet Province, Kaysone district, Medicinal Biodiversity Preserve, at 19 km from city center on road Kaysone-Seno.

Habitat: Broadleaved evergreen, lowland tropical rain forest in regeneration from some degree of past conversion.

Altitude: 158 m asl 

Collector(s): D.D. Soejarto, K. Sydara, O. Souliya

Collection number(s): DDS 14904

Collection Date: December 17, 2013

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Local name(s):

Medicinal use(s):

Part(s) used: 

Field Characters: Treelet with liana-like curving branches, flower buds and semi-open flowers greenish yellow.

Locality: Savannakhet Province, Kaysone district, Dong Natad Medicinal Plant Preserve, at 19 km east of city along road to Seno.

Habitat: Secondary forest on flat terrain, semi-open canopy with some big trees remaining standing.

Altitude: 170 m asl 

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

Collection number(s): DDS 15235

Collection Date: March 20, 2017

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Additional information:  

Voucher specimens are in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession nos. 2313679 (DDS 14904) and 2326868 (DDS 15235). Samples of DDS 15235 were submitted to anticancer testing.

Synonyms, images, taxonomic description: 

Plants of the World onlineGBIF | Global Biodiversity Information Facility

Useful references:

Thao Nghi NB, Uyen TT, Anh HM., et al. (2022). Rumdul (Sphaerocoryne affinis) Antioxidant Activity and Its Potential for Parkinson's Disease Treatment. Oxidative Medicine and Cellular Longevity 2022, 2022: 8918966.   https://doi.org/10.1155/2022/8918966