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| Flora of Vietnam | |
|---|---|
| Name | Vietnam flora |
| Region | Southeast Asia |
| Area km2 | 331212 |
| Climate | Tropical, monsoonal |
| Habitat diversity | Mountains, deltas, islands |
Flora of Vietnam presents a rich assemblage of vascular plants, bryophytes, pteridophytes and fungi across the Indochinese Peninsula, shaped by interactions among the Annamite Range, Tonle Sap, Mekong River, Gulf of Tonkin and surrounding seas. Influences from the Himalayan foothills, Yunnan lowlands, Malay Peninsula and Hainan create a mosaic of floristic affinities reflected in collections by explorers such as Henri Mouhot, Joseph Rock, Carl Ludwig Blume and institutions like the Royal Botanic Gardens, Kew and Missouri Botanical Garden.
Vietnam's flora includes tens of thousands of taxa documented by inventories from the Institute of Ecology and Biological Resources (IEBR), Vietnam Academy of Science and Technology, Forest Inventory and Planning Institute, and international collaborators such as World Wide Fund for Nature, BirdLife International, Conservation International and the Global Biodiversity Information Facility. Major historical floras and checklists produced by botanists including Nguyên Tiên Bách and contributions to treatments in the Flora of China and Flora Malesiana anchor nomenclature and distributional data used by conservation bodies like the IUCN and regional networks such as the ASEAN Centre for Biodiversity.
Vietnam spans several floristic provinces recognized in biogeography: the Sino-Himalayan elements from Yunnan and the eastern Himalayas, the Indo-Chinese core centered on the Annamite Range, and Sundaland affinities reaching from the Malay Peninsula and Sumatra. Biomes include lowland evergreen rain forest in the Cúc Phương National Park region, montane cloud forest on Fansipan and the Hoang Lien Son range, dry deciduous forest in parts of the Central Highlands, coastal mangrove systems along the Red River Delta and Mekong Delta, and limestone karst flora in Phong Nha-Kẻ Bàng and Cat Ba islands.
Vietnam hosts high species richness and pronounced endemism among genera such as Fokienia, Hopea, Michelia, Nepenthes, Pseudodictamnus and families including Dipterocarpaceae, Annonaceae, Lauraceae, Orchidaceae and Begoniaceae. Intensive surveys have revealed new species of Rubiaceae, Gesneriaceae, Araliaceae, Acanthaceae and Fabaceae, with endemic taxa confined to karst outcrops, isolated highlands and island refugia documented in monographs by researchers associated with Royal Botanic Garden Edinburgh and the Natural History Museum, London. Endangered endemics appear on IUCN Red List assessments alongside broader-range species shared with Laos, Cambodia, China and Thailand.
Lowland evergreen forest dominated by Dipterocarpaceae and Lauraceae occurs in protected areas like Bach Ma National Park and Cat Tien National Park, whereas montane cloud forests on peaks such as Fansipan harbor conifers (e.g., Pinus kesiya) and endemic orchids recorded in regional floras. Limestone karst supports specialized calciphilous assemblages with taxa in Begonia, Primulina and Impatiens documented in cave and cliff surveys. Coastal mangroves with Rhizophora and Avicennia line the Cần Giờ Mangrove Forest and U Minh peatlands, while freshwater wetlands in the Mekong Delta sustain aquatic plants and rice agroecosystems studied by national agencies and the International Rice Research Institute.
Deforestation driven by logging, conversion to agriculture in the Red River Delta and Mekong Delta, infrastructure projects such as road building in the Annamite Range, illegal wildlife trade networks, and hydropower development on tributaries of the Mekong River have reduced habitat, affecting species listed by IUCN and protected under national law administered by the Vietnam Administration of Forestry. Climate change impacts from rising sea levels in the Gulf of Tonkin and altered monsoon patterns affect mangroves and montane cloud forests studied by scientists at the Vietnam National University, Hanoi and the National Center for Hydrometeorological Forecasting. Conservation actions include establishment of protected areas like Phong Nha-Kẻ Bàng National Park, ex situ collections in herbaria such as the Herbarium (HN) and Herbarium (VNM)], seed banks, community-based forestry projects supported by FAO and restoration programs funded by multilateral donors.
Vietnamese flora underpins timber industries (e.g., Dipterocarpaceae species), non-timber forest products, medicinal plants used in traditional Traditional Vietnamese Medicine and by practitioners at institutions like Hanoi Medical University, and cash crops such as Hevea brasiliensis plantations and Coffea arabica and Coffea robusta in the Central Highlands. Bamboo and rattan craft traditions link communities to resources in provinces like Bắc Ninh and Đắk Lắk, while sacred groves and cultural practices tied to species such as Ficus religiosa and native orchids are integral to festivals and sites curated by museums including the Vietnam Museum of Ethnology.
Systematic botanical exploration has been carried out by expeditions from the Muséum national d'Histoire naturelle, Kew, Missouri Botanical Garden, and collaborations with Vietnamese institutions including the Institute of Tropical Biology (ITB), Institute of Ecology and Biological Resources (IEBR), and university departments at Vietnam National University, Ho Chi Minh City. Major herbaria (HN, VNM), seed banks, molecular labs, and taxonomic revisions are supported by projects funded by Global Environment Facility, USAID, European Union biodiversity programs and regional initiatives under the Convention on Biological Diversity and Ramsar Convention. Ongoing digitization and citizen science programs link national datasets to the Global Biodiversity Information Facility and support conservation planning coordinated with NGOs such as BirdLife International and Conservation International.