(Malvaceae) Helicteres hirsuta Lour.
Local name(s): (Nya bi ien)
Medicinal use(s): treat edema
Part(s) used: whole plant
Field Characters: Shrub 1.5 m tall, basally branched, leaves simple, alternate. Pubescence on stem soft, coarser on leaves. Leaves slightly oblong, dentate. Flowers axillary, deep purple with yellow center, 1-2 per axis, with multiple bud scars on length of peduncle.
Locality: Bolikhamxay Province, Paksan District, Nong Bua Village.
Habitat:
Altitude: 177 m asl.
Collector(s): L. Libman, S. Bouamanivong, K. Kunsawanh
Collection number(s): LAOS_475
Collection Date: July 8, 2003
Additional information:
Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2252590.--
Local name(s): (Porkitouan)
Medicinal use(s): treat iver inflammation
Part(s) used:
Field Characters: Shrub 3 m tall, flowers purple.
Locality: Vientiane.
Habitat: Forest roadside.
Altitude:
Collector(s): S. Bouamanivong
Collection number(s): SB 16
Collection Date: JSeptember 25, 1997
Additional information:
Voucher specimen is in deposit at the Field Museum (F) Herbarium, Chicago, USA under accession no. 2193572.Synonyms, images, taxonomic description:
Plants of the World onlineFlora of China Vol. 12 Page 318, 320GBIF | Global Biodiversity Information Facility
Medicinal properties:
Nguyen Thanh Tra, Ba Thi Cham, Nguyen Thi Thu Ha, et al. Antioxidant Constituents from the Stem and Leaf of Helicteres hirsuta Loureiro. The Natural Product Journal 2020, volume 11, issue 5, pages 592 – 599. DOI: 10.2174/2210315510999200728131328
Pham HNT, Sakoff JA, Bond DR, et al. In vitro antibacterial and anticancer properties of Helicteres hirsuta Lour. leaf and stem extracts and their fractions. Mol Biol Rep 2018, 45(6):2125-2133. DOI: 10.1007/s11033-018-4370-xQuang DN, Pham CT, Le LTK, Ta QN, Dang NK, Hoang NT, Pham DH. Cytotoxic constituents from Helicteres hirsuta collected in Vietnam. Nat Prod Res. 2020 Feb;34(4):585-589. DOI: 10.1080/14786419.2018.1490907
Thang Hoang D, Hien Truong TT, Viet Duc N, Anh Hoang LT, Do TT, Vinh LB, Young Yang S, Dan G, Tuan Anh L. Hepatoprotective Effects of Extract of Helicteres hirsuta Lour. on Liver Fibrosis Induced by Carbon Tetrachloride in Rats. Applied Sciences. 2021; 11(18):8758. https://doi.org/10.3390/app11188758