(Euphorbiaceae) Mallotus macrostachyus (Miq.) Müll. Arg.
Local name(s): ປໍ ຂີ້ ເຕົ່າ, ກໍ ຕ້າງ ກົບ (poh khee tao, ko tang kop)
Part(s) used: root
Field characters: Treelet, flowers disposed along slender racemes, yellowish brown, open flowers white.
Locality: Xieng Khoang Province, Kham District, Kham Medicinal Biodiversity Preserve, 15 km from Kham town. Ba Tha village, northern edge of MBP.
Habitat: Broadleaved evergreen submontane forest. Edge of forest along road.
Altitude: 1440 m asl
Collector(s): D.D. Soejarto, K. Sydara, M. Xayvue
Collection number(s): DDS 14980
Collection date: May 16, 2014
Additional information:Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2313854.
Synonyms, images, taxonomic description:Plants of the World online Asian Plant.net
Useful references:Nguyen, H.N. et al. Chemical constituents of Mallotus macrostachyus growing in Vietnam and cytotoxic activity of some cycloartane derivatives. Phytochem. Lett. 2011; 4(3):348-352.
Titstaert, C. et al. Multivariate data analysis to evaluate the fingerprint peaks responsible for the cytotoxic activity of Mallotus species. Journal of Chromatography B 2012; 910:103–113.