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 […]
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 […]
Floristic inventory of vascular plant in Nam Ha National Biodiversity Conservation Area, Lao People’s Democratic Republic
The floristic inventory of vascular plants in Nam Ha National Biodiversity Conservation Area was conducted to understand the plant diversity in the northern area of Lao People’s Democratic Republic. From the joint field surveys between Korean and Laos experts conducted during 2015e2017, it was found that there are 64 families, 145 genera, and 189 species […]
New records of flowering plants from Lao PDR
We report previously unrecognized flowering plants of Lao PDR found during a botanical survey of Lao PDR in 2015−2016. We found Phyllagathis tuberosa (C. Hansen) Cellinese & S. S. Renner (Melastomataceae) and Tolypanthus pustulatus Barlow (Loranthaceae) in the Phou Khao Khouay National Biodiversity Conservation Area (PKKNBCA), previously only known from type localities in Thailand. This […]
Plants without borders: new records of two presumed Thai endemic Gesneriaceae in Laos
Botanical expeditions in Laos through a collaboration between Thailand (Queen Sirikit Botanic Garden) and Laos (Pha Tad Ke Botanic Garden) to document plant diversity and collect plants for ex situ conservation, led to the discovery of two species of Gesneriaceae previously believed to be endemic to Thailand: Damrongia trisepala (Barnett) D.J.Middleton & A.Weber and Didymocarpus […]
New orchid species (Orchidaceae) in the flora of Laos
This paper continues the publication of new data obtained during fi eld studies in remote and poorly studied regions of Laos in 2015–2018. It provides descriptions of two new species (Bulbophyllum brachyscapum Aver. and Sunipia saccata Aver.), emended descriptions of two previously published but insuffi ciently known species (Cleisostoma verrucosum Aver. and Oberonia vesiculifera Aver.) […]
New records of angiosperms and pteridophytes in the flora of Laos
New records in the Flora of Laos are presented, along with a short history of botanical collection in the country. The records are given in two lists, one relating to the Flore du Cambodge, du Laos et du Vieˆtnam and the other relating to the older Flore ge´ne´rale de l’Indochine.
Hmong herbal medicine and herbalists in Lao PDR: pharmacopeia and knowledge transmission
In Lao PDR, the Hmong ethnic group has extensive knowledge about the use of medicinal plants. However, despite the importance of the Hmong pharmacopeia as a primary health care resource, no study has been undertaken to thoroughly document medicinal plant knowledge and its transmission. Objectives of this study are (i) to describe and characterize Hmong […]
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 […]
Didymocarpus albiflorus (Gesneriaceae), a new species from Vientiane capital, Lao PDR
Didymocarpus albiflorus, a new species from central Lao PDR, is described and illustrated with photographs. The new species is similar to D. middletonii and D. brevipedunculatus, but can be distinguished by a combination of characters (see diagnosis and note). A detailed description, illustration, photographs, distribution, ecology and provisional conservation assessment and key to the species […]


