Two new species and a new record of Begonia (Begoniaceae) from Vangvieng karst limestone in central Laos
Begonia cataracta and B. voluptuaria are described as new species and B. incerta is noted as a new record for Laos. Descriptions, illustrations and photographs are provided for the new species and photographs for the new record. Preliminary conservation assessments are made for the two new species which are assessed as Vulnerable and Critically Endangered […]
Two new species and 18 new records for the flora of Laos
Six pteridophyte species of five families and 12 spermatophyte species of 10 families are reported from Bolaven Plateau, southern Laos, as new records to the flora of Laos. Moreover, two new species, Sterculia bolavenensis (Malvaceae) and Wikstroemia bolavenensis (Thymelaeaceae), are described. For each species, voucher specimens are cited, photographs are shown and additional information including […]
Two new genera of Apocynaceae in Laos
Examination of unidentified Apocynaceae specimens at QBG and SING lead to the discovery of one specimen of Meladerma deciduum and two specimens of Harmandiella cordifolia from Laos. Harmandiella was earlier considered endemic to Thailand and Vietnam while Meladerma was earlier reported from Thailand and Peninsular Malaysia. Harmandiella cordifolia and Meladerma deciduum are typified
An ethnobotanical survey of medicinal plants of Laos toward the discovery of bioactive compounds as potential candidates for pharmaceutical development
Using semi-structured field interviews with healers in the Lao PDR, plant samples were collected, extracted, and bio-assayed to detect bioactivity against cancer, HIV/AIDS, TB, malaria. Plant species demonstrating activity were recollected and the extracts subjected to a bioassay-guided isolation protocol to isolate and identify the active compounds.
Morphology of Some Bamboos Commonly Used in Lao PDR
Bamboos have provided a variety of raw materials and products widely used in Lao PDR for centuries. Their diversity often leads to confusion, particularly when discussing local and botanical names. This study aimed to use the morphological procedure to identify some bamboos commonly used in the country. Three study sites (Oudomxay province, the capital city […]
New records and updated checklist of mosquitoes (Diptera: Culicidae) from Lao People’s Democratic Republic, with special emphasis on adult and larval surveillance in Khammuane Province
A list of mosquitoes from the Nakai Nam Theun National Protected Area along the Nam Theun, Nam Mon, Nam Noy, and Nam On rivers, Nakai District, Khammuane Province, Lao People’s Democratic Republic (Lao PDR) is presented. Fiftyfour mosquito taxa were identified, including 15 new records in the Lao PDR. A fragment of the mtDNA cytochrome […]
A new species of Metzia (Cypriniformes: Cyprinidae) from Northern Laos
A new cyprinid fish, Metzia bounthobi, is described on the basis of 18 specimens (including 10 specimens in type series) from the Mekong River basin in Phongsaly and Luang Prabang Provinces, northern Laos. The species is distinguished from congeners by having the following diagnostic traits: 18–20 branched anal-fin rays (vs. 10–18 in the others); 49–55 […]
Two New Species and Seven New Records of Lauraceae for the Flora of Laos
Two new species of Lauraceae, Beilschmiedia bolavenensis and Machilus champasakensis, are described and illustrated based on specimens from the Bolaven Plateau, southern Laos, and Lindera annamensis, Litsea ferruginea, L. lanceifolia, L. pseudoelongata, L. verticillata, Machilus angustifolia, and M. robusta (all Lauraceae) are reported for the first time for the flora of Laos. Voucher specimens, photographs, […]
Six new species of the spider family Ochyroceratidae Fage 1912 (Arachnida: Araneae) from Southeast Asia
Five new Althepus species and one new Psiloderces species of the family Ochyroceratidae are described from Southeast Asia: Althepus erectus spec. nov. (male) and A. nophaseudi spec. nov. (male, female) from Laos, A. flabellaris spec. nov. (male, female) from Thailand, A. reduncus spec. nov. (male) from Myanmar, A. spiralis spec. nov. (male) from Malaysia, and […]
Impatiens rostrata (balsaminaceae), a new species from khammouane province, laos, and nine new records
One new species, Impatiens rostrata Souvann. & Lanors., is described and illustrated, and nine new records of Impatiens for Laos are reported. A lectotype of Impatiens rubrostriata Hook.f. is designated, and two new synonyms are made
