(Annonaceae) Monoon thorelii (Pierre) B.Xue & R.M.K.Saunders

Local name(s): ນໍ້າ ເຕົ້າ ນ້ອຍ ; ຕາ​ມ ​ກາ ຕູງ (nam tao noy ; tam ka toung)

Medicinal use(s): fever, rash

Part(s) used: root

Field Characters: Small tree, approx 1.25 m in height. Trunk diam 1.5 cm dbh. Leaves alternate, glabrous, margin smooth, 30 cm length, 10 cm width, fruits green turning white.

Locality: Sekong Province, Thateng District, Pa Leng Tai Village, Sekong MBP Thateng.

Habitat: Soil dry, hillside, mostly shade.

Altitude: 520 m asl 

Collector(s): B. Elkington, M. Xayvue, S. Setthavanxay

Collection number(s): BGE 277

Collection Date: November 19, 2019

Additional information:  

Synonyms, images, taxonomic description: 

Useful references:

Cuong LCV, Lien LT, Nhi NPK, et al. Megastigmanes and flavones from Polyalthia thorelii collected in Nam Dong, Thua Thien Hue. Megastigmanes and flavones from Polyalthia thorelii collected in Nam Dong, Thua Thien Hue 2019, Volume 57, Issue 2, pages 250-254. https://doi.org/10.1002/vjch.201900017 

Dai DN, Thang TD, Ogunwande IA. Chemical composition of essential oils from the leaves and stem barks of Vietnamese species of Polyalthia harmandii, Polyalthia jucunda and Polyalthia thorelii. Nat Prod Res 2014, 28(8):555-62.   DOI: 10.1080/14786419.2014.886209

Katkar, K. V., Suthar, A. C., & Chauhan, V. S. (2010). The chemistry, pharmacologic, and therapeutic applications of Polyalthia longifolia. Pharmacognosy Reviews, 4(7), 62-68. DOI: 10.4103/0973-7847.65329

Mahmoud OA, Ayoub IM, Eldahshan OA., et al. The impact of seasonal variation on the composition of the volatile oil of Polyalthia suberosa (Roxb.) Thwaites leaves and evaluation of its acetylcholinesterase inhibitory activity. BMC Complementary Medicine and Therapies 2024, 24:159. DOI: 10.1186/s12906-024-04443-z

Shakri N,  Salleh WMNHW, Khamis,S, et al. Chemical composition of the essential oils of four Polyalthia species from Malaysia. Zeitschrift fur Naturforschung. C, Journal of Biosciences. 2020, 75(11-12):473-478. DOI:10.1515/znc-2020-0097