(Fabaceae-Papilionoideae) Derris scandens (Roxb.)Benth.
Local name(s): ເຄືອ ອ້ອຍ ສາມ ສວນ (kheua oy sam suan)
Medicinal use(s): women’s tonic, treatment of coughs.
Part(s) used: liana (stem)
Field characters: Liana, stems twining and forming ropes, flowers greenish white, profuse, in spreading, loose terminal paniculate clusters. Masticated stem produces sweet sensation.
Xieng Khoang Province, Kham District, Kham Medicinal Biodiversity Preserve, 15 km from Kham town. Ba Tha village, northern edge of MBP.
Luang Prabang Province, Pak Ou District, Biodiversity Preserve above Samsanouk village.
Broadleaved evergreen submontane forest. Edge of forest along road.
Subtropical monsoon forest on steep slope, ascending to the base of limestone mountain that rises precipitously to a peak of ~ 1000 m asl. Greater part of vegetation cover was leafless at the time of collection.
Altitude: 390 - 1440 m asl
Collector(s): D.D. Soejarto, K. Sydara, M. Xayvue
Collection numbers: DDS 14977, DDS 15432
Collection date: May 16, 2014, February 10, 2020
Additional information:Voucher specimens are in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2313851, 2330002.
Synonyms, images, taxonomic description:Plants of the World online Flora of China Vol. 10 Page 2, 166
Useful references:Chaichamnong, N. et al. Phosphodiesterase 5 Inhibitors from Derris scandens. Planta Med. 2018;84(15):1134-1140.
Madhiri, R. & Panda, J. A review on phytochemistry and pharmacological aspects of Derris scandens (Roxb.) Benth. Innorig. Internat. J. Sci. 2018; 5(3):1-4.
Puttarack, P. et al. Efficacy and safety of Derris scandens (Roxb.) Benth. for musculoskeletal pain treatment: A systematic review and meta-analysis of randomized controlled trials.J. Ethnopharmacol. 2016; 194:316-323.
Sriklung, K. et al. Anti-inflammatory activity of Lupalbigenin from Derris scandens in RAW 264.7 cells. 4th International Conference and Exhibition on Natural Products Medicinal Plants & Marine Drugs June 11-12, 2018, Rome, Italy. Nat. Prod. Chem. Research 2018; vol. 6, online.