(Rubiaceae) Psychotria asiatica L.

Local name(s): (khem khao)

Medicinal use(s): general tonic.

Part(s) used: root

Field Characters: Shrub, fruits green, profuse on terminal cluster.

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 14912

Collection Date: December 17, 2013

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Local name(s): (khem khao)

Medicinal use(s): used for detoxification.

Part(s) used: root

Field Characters: Large shrub, fruits glossy-green, turning deep red and glossy. Common.

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 14939

Collection Date: December 18, 2013

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Local name(s): ຕີນຈໍາ (Tin cham)

Medicinal use(s): treat fever

Part(s) used: root; stem

Field Characters: Shrub 3-5 m tall. Fruits green, a berry. 

Locality: Khammuan Province; Nyommalath District; Thongkong Village, road side of Route to MBP; at the southern reaches of Nakai Nam Theum National Park. 

Habitat: Tropical rainforest on flat level lands. 

Altitude: 150 m asl. 

Collector(s): O. Souliya, K. Phoulivong, D. Makiem and S. Pimmavong 

Collection number(s): Onevilay_YML_060

Collection Date: July 22, 2023

Additional information:  

Synonyms, images, taxonomic description: 

Medicinal properties:

Calixto NO, Meri Emili F. Pinto MEF, Ramalho SD, et al. The Genus Psychotria: Phytochemistry, Chemotaxonomy, Ethnopharmacology and Biological Properties. J Braz Chem Soc 2016, 27 (8) • Aug 2016 •  https://doi.org/10.5935/0103-5053.20160149

de Carvalho AR, de Carvalho MG, Braz-Filho R, et al. Chapter 7 - Psychotria Genus: Chemical Constituents, Biological Activities, and Synthetic Studies. Editor(s):  Atta-ur-Rahman, Studies in Natural Products Chemistry, Elsevier, volume 48, 2016, pages 231-261. ISSN 1572-5995. ISBN 9780444636027. https://doi.org/10.1016/B978-0-444-63602-7.00007-2.

Tang G, Lin X, Lai X, et al.  Pharmacognostic Studies of Psychotria rubra(Lour.)Poir. Pharmacog Journal 2018,10, 2, 249-255. DOI:10.5530/pj.2018.2.44

Voutquenne-Nazabadioko L, Tapondjou LA, Ngnokam D. Chemotaxonomy and Antibacterial Activity of the Extracts and Chemical Constituents of Psychotria succulenta Hiern. (Rubiaceae). Biomed Res Int. 2022 Jun 15;2022:7856305. 

Wiart C. Antiparasitic Asian medicinal plants in the Clade Lamiids: 10.5.15 Psychotria rubra (Lour.) Poir. Chapter in book: C. Wiart, Medicinal Plants in Asia and Pacific for Parasitic Infections, 2021. https://www.sciencedirect.com/topics/pharmacology-toxicology-and-pharmaceutical-science/psychotria#chapters-articles 

Yang H-m, Zhang H, Yang C, et al. Chemical Constituents of Plants from the Genus Psychotria. Chemistry Biodiv, 2016, volume 13. DOI:10.1002/cbdv.201500259