(Lamiaceae) Vitex quinata (Lour.) F.N.Williams
Local name(s): ກົກ ຂີ້ ເຫງັນ (kok khee ngen)
Medicinal Use(s): Treatment of jaundice
Part(s) used: stem bark
Field characters: Tree 6 m tall, trunk dbh 45 cm, bark gray, irregularly fissured and cracked, slash pale brown, flower buds gray-green, open flowers with pink labellum and yellow lateral petals.
Locality: Xieng Khoang Province, Kham District, Kham Medicinal Biodiversity Preserve, 15 km from Kham town. Ba Tha village.
Habitat: Broadleaved evergreen submontane forest. Edge of forest along stream.
Altitude: 1130 m asl
Collector(s): D.D. Soejarto, K. Sydara, M. Xayvue
Collection number(s): DDS 14989, DDS 15063
Collection Date: May 17, 2014
Additional data:Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2322898.
Synonyms, images, taxonomic description:Plants of the World online Flora of China Vol. 17 Page 29
Useful references:Deng, Y. Bioactive Constituents of Two Medicinal Plants from Indonesia. Ph. D. Dissertation, Graduate School of The Ohio State University, 2010; 241 pages.
Ramesh, S. & Reddi, V.R. Preliminary Phytochemical Screening and Antimicrobial Studies on Vitex Quinata (Lour) F.n. Williams (Verbenaceae) From Andhra Pradesh. Indian J. Appl. Res. 2011; 3(12):60-61.
Rani, A. & Sharma, A. The genus Vitex: A review. Pharmacogn Rev. 2013; 7(14):188–198. Shreedhar, V. et al. In vitro antioxidant activity and free radical scavenging potential of roots of Vitex quinata. Int. J. Chem. Sci. 2011; 9(1):139-148.