(Rubiaceae) Lasianthus chinensis (Champ.) Benth.
Local name(s): (Khan Heo Nok Khor; Khoy Ngou Ton)
Medicinal use(s): as a uterine tonic
Part(s) used: root and stem
Field Characters: Treelet, flower buds greenish white, open flowers white.
Locality: Bolikhamxay Province, Paksan District, Somsavath Village, Medicinal Plant Preserve, at 20 km from Paksan city center. GPS reading: 18o 27.331’ N; 103o 48.33’ E.
Habitat: Secondary forest. Remnants of broadleaved evergreen, lowland tropical rain forest, in regeneration from past conversion process.
Altitude: 190 m asl.
Collectors(s): D.D. Soejarto, O. Souliya
Collection number(s): DDS 15019
Collection Date: May 24, 2014
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Local name(s): ຄັນແຫ້ວນົກຄໍ່ຜູ້ (Khan heo nok khor phou)
Medicinal use(s): treat bone and body pain
Part(s) used: root or stem
Field Characters: Erect shrub, 1 m tall, flowers dull green.
Locality: Oudomxay, Muang Xay District, Donxay Village, Medicinal Biodiversity Preserve, about 3 km south of city.
GPS reading: At vicinity of 20o 39.858’ N; 102o 00.033’ E.
Habitat: Forest on a mountain slope in a broadleaved, mixed evergreen lowland tropical rainforest.
Altitude: 740-850 m asl.
Collectors(s): D.D. Soejarto, K. Sydara, M. Xayvue
Collection number(s): DDS 15124
Collection Date: September 27, 2014
Additional information:
Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2313897; 2314138.Synonyms, images, taxonomic description:
Plants of the World onlineFlora of China Vol. 19 Pages 187, 190, 197, 198GBIF | Global Biodiversity Information Facility
Useful references:
Dutta K, Choudhury, Duttachoudhury M, et al. (2010). Chemical Constituents and Biological Activities of the Genus Lasianthus Jack: A Review. Assam University Journal of Science & Technology : Biological and Environmental Sciences 2010, number I. 6. 129-138. https://www.researchgate.net/publication/228368771_Chemical_Constituents_and_Biological_Activities_of_the_Genus_Lasianthus_Jack_A_Review
Napiroon T, Tanruean K, Bacher M, et al. Extract fractionation and purification of Lasianthus (Rubiaceae) species related to infection treatment in Thai traditional uses. The 35th International Annual Meeting in Pharmaceutical Sciences & CU-MPU International Collaborative Research Conference 2019. https://cu-amps2019.weebly.com/uploads/9/5/8/7/95877138/206-209_pn11_final.pdf
Zhang L, Song S, Chen B, et al. Integration of UHPLC/Q-OrbitrapMS-based metabolomics and activities evaluation to rapidly explore the anti-inflammatory components from Lasianthus. Heliyon, 2023, volume 9, issue 6, e16117. https://doi.org/10.1016/j.heliyon.2023.e16117