(Malvaceae) Helicteres viscida Blume
Local name(s): ປໍ ຂີ້ ຕຸ່ນ (poh khee toun)
Medicinal use(s): gonorrhea
Part(s) used: root
Field Characters: Shrub, 1.5-2 m in height. Stem diameter approximately 1.5 cm. Leaves cordate, crenate. Flowers white, growing from leaf nodes.
Locality: Sekong Province, Thateng District, Pa Leng Tai Village, Sekong MBP Thateng.
Habitat: Sekong MBP Thateng, side of hill, shade.
Altitude: 520 m asl
Collector(s): B. Elkington, M. Xayvue, S. Setthavanxay.
Collection number(s): BGE 281
Collection Date: November 19, 2019
--
Local name(s): (poh kee toun)
Medicinal use(s): Treat gonorrhea, leucorrhea.
Part(s) used: root
Field Characters: Large shrub, 3 m all, frits dry, with gray and wooly pubescence.
Locality: Bolikhamxay Province, Paksan district, Somsavath Village, Medicinal Plant Preserve, at 20 km from Paksan city center.
Habitat: Secondary forest. Remnants of broadleaved evergreen, lowland tropical rain forest, in regeneration from past conversion process.
Altitude: 190 m asl
Collector(s): D.D. Soejarto & O. Souliya
Collection number(s): DDS 15021
Collection Date: May 24, 2014
--
Local name(s): (ປໍ ຂີ້ ກະ ເທີ່, ປໍ ຂີ້ ຕຸ່ນ) (poh khee ka teu, poh khee toun)
Medicinal use(s): treat gonorrhea
Part(s) used: root
Field Characters: Shrub 1-2 m high, fruits hairy, purple in colour.
Locality: Dong na tat forest preserve, Km 19, Kaisone Phomvihan district, Savannakhet province
GPS reading: 19o 42.613’ N; 103o 35.405’ E.
Habitat: Monsoonal forest
Altitude: 160 m asl.
Collector(s): K. Sydara, M. Xayvue, Th. Sonemanyvong
Collection number(s): KS 19-055
Collection Date: March 25, 2014
Additional information:
Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession nos. 2313770; 2313899 ; 2330393;Synonyms, images, taxonomic description:
Plants of the World onlineFlora of China Vol. 12 Page 318, 319GBIF Global Biodiversity Information Facility
Useful references:
Le NT, Van HT, Nguyen NTP, et al. Chemical profiles and antibacterial, antioxidant, cytotoxic activities of acetone extract from leaves of Helicteres hirsuta Lour. J Sci Technol 2021, vol. 52B. http://113.165.166.110:81/bitstream/DL_134679/52505/1/CVv449V52BS42022062.pdf
Luu HT & Hieu N, Huu T, et al. 2019). Sulphated flavones and pregnane-type steroids from Helicteres viscida. Nat Prod Res 2019, 35: 1-6. doi.10.1080/14786419.2019.1700253.
Pan M-h, Chen C, Shwu-Woan Lee SW, et al. Cytotoxic Triterpenoids from the Root Bark of Helicteres angustifolia. Chemistry & Biodiversity 2008}, volume 5. https://api.semanticscholar.org/CorpusID:205544431
Rattanamaneerusmee A, Thirapanmethee K, Nakamura Y, et al. Chemopreventive and biological activities of Helicteres isora L. fruit extracts. Res Pharm Sci 2018,13(6):484-492. doi: 10.4103/1735-5362.245960. PMID: 30607146; PMCID: PMC6288992.