Two new species of Sonerila Roxb. (Melastomataceae) from Laos

Two new species of Sonerila Roxb. (Melastomataceae), S. erectifolia Phonep., Soulad. & Tagane sp. nov. from southern Laos, and S. souvannii Phonep. & Soulad. sp. nov. from central Laos, are described and illustrated. Comparisons with morphologically similar species are presented, along with ecological information and preliminary conservation status. A key to the species of Sonerila […]

Impatiens subfalcata (balsaminaceae), A new species from Laos

Impatiens subfalcata Soulad. & Tagane, a new species of Balsaminaceae from southern Laos, is described and illustrated. The new species is morphologically similar to Impatiens attopeuensis and I. notoptera in having succulent stems, serrate leaf margins and pinkish flowers, but distinguished from these two by its falcate lanceolate or oblanceolate leaves, more numer ous secondary […]

A New Variety, Justicia vagabunda var. laxiflora (Acanthaceae) from Bolaven Plateau, Southern Laos.

A new variety, Justicia vagabunda Benoist var. laxiflora K. Yamaz. & Tagane (Acanthaceae), discovered during botanical surveys in Bolaven Plateau, southern Laos, is described and illustrated. Variety laxiflora is distinguished from var. vagabunda by its longer petiole (0.1–)0.5–3 cm long, longer and laxer inflorescence to 15.3 cm long, more-flowered inflorescence (inflorescence with 7–50 flowers) and […]

New records of ferns in the flora of Laos

Fieldwork in Lao PDR during 2007-2008 resulted in the discovery of 15 unrecorded fern species among the flora of Lao PDR. All have been identified in other countries in southeastern Asia, as well as from other tropical areas. The species are as follows: Asplenicaceae (Asplenium delavayi, A. rockier), Athyriaceae (Anisocampium cuspidatum), Dennstaedtiaceae (Microlepia hookeriana, Pteridium […]

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 […]

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 […]

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, […]

Case study on orchid exports from the Lao PDR: Recommendations for using the Convention on International Trade in Endangered Species of Wild Fauna and Flora to increase sustainable orchid trade.

This report is a product of the project “Piloting CITES Implementation in Lao PDR: Strengthening Institutions through Case Studies”. Supported by the Swiss Agency for Development Cooperation (SDC), this initiative was carried out by IUCN (International Union for Conservation of Nature) and partners, including the National University of Laos and TRAFFIC, in 2007-2008.The initiative provided […]

Croton nagaoi, a new species of Euphorbiaceae from southern Laos

Croton nagaoi (Euphorbiaceae) is described based on a specimen collected from the basin of the Bolaven Plateau, southern Laos. It is most similar to Croton thorelii Gagnep. of Laos, Cambodia, Thailand and Vietnam in size and shape of lamina, short petioles less than 1 cm long, and basal glands lateral on the abaxial midrib base, […]