Populus davidiana

Populus davidiana
Genus	Populus
Species	davidiana
Authority	Dode
Family	Salicaceae
Common names	Korean aspen, David's poplar
Native range	East Asia

Populus davidiana is a species of deciduous tree in the family Salicaceae native to East Asia. It is notable for its role in temperate forest assemblages across regions such as China, Japan, Korea, and Russia and for its use in silviculture and urban planting programs led by institutions like the Chinese Academy of Sciences and the Korean Forest Service. Botanists including Aimée Antoinette Camus and Louis-Albert Dode have treated its taxonomy in monographs used by herbaria such as the Royal Botanic Gardens, Kew and the Harvard University Herbaria.

Taxonomy and Nomenclature

Populus davidiana was described by Louis-Albert Dode and is placed in the genus Populus within the family Salicaceae. The specific epithet honors the French missionary and plant collector Armand David, whose specimens informed 19th-century taxonomic work alongside collections housed at the Muséum national d'Histoire naturelle and the Natural History Museum, London. Taxonomic treatments have been revised in floras such as the Flora of China and regional checklists published by the Japanese Society of Plant Taxonomy, with molecular phylogenies from institutions like the Max Planck Society and the Smithsonian Institution clarifying relationships with congeners like Populus tremula and Populus alba. Nomenclatural decisions follow codes established by the International Code of Nomenclature for algae, fungi, and plants and are curated by databases including the International Plant Names Index and Plants of the World Online.

Description

Populus davidiana is a medium to large deciduous tree characterized by a straight bole and a rounded crown; morphological descriptions appear in treatments by the Royal Botanic Garden Edinburgh and the Arnold Arboretum. Leaves are broadly ovate to deltoid with a serrate margin, resembling those illustrated in plates from the Botanischer Garten und Botanisches Museum Berlin and specimens in the Kew Herbarium. Bark becomes fissured with age as documented in dendrological surveys by the United States Forest Service and the Food and Agriculture Organization. Flowers are produced as catkins in spring, a reproductive trait discussed in journals such as New Phytologist and Annals of Botany, and seeds are wind-dispersed similarly to species described in monographs from the Royal Society and the National Academy of Sciences.

Distribution and Habitat

The species occurs across temperate regions of China, the Russian Far East, both Koreas, and parts of Japan, with elevational limits reported in regional floras from the Chinese Academy of Sciences and the Korean National Arboretum. Habitats include riparian corridors, floodplains, and secondary stands near settlements documented by conservation agencies such as the United Nations Environment Programme and the World Wildlife Fund. Distribution maps are produced by organizations like the International Union for Conservation of Nature and the Global Biodiversity Information Facility, and biogeographic analyses reference collections from the Royal Botanic Gardens, Kew, the National Museum of Nature and Science (Japan), and the Komarov Botanical Institute.

Ecology and Life History

Populus davidiana plays a role in successional dynamics in stands studied by ecologists at institutions including the Chinese Academy of Sciences and the University of Tokyo. It supports herbivores and folivores recorded in faunal surveys by the International Union for Conservation of Nature and the Asian Bird Conservation Network, and provides habitat for invertebrates cataloged by the Natural History Museum, London. Mycorrhizal associations have been investigated by research groups at the Max Planck Institute and the Smithsonian Tropical Research Institute, while studies on phenology and climate responses appear in publications by the Intergovernmental Panel on Climate Change and the National Oceanic and Atmospheric Administration. Regeneration after disturbance, including fire and flooding, is documented in reports from the Food and Agriculture Organization and the United States Forest Service.

Uses and Cultivation

Populus davidiana is used in afforestation, erosion control, and as a timber and biomass source in projects led by the Food and Agriculture Organization and national forestry services such as the Korean Forest Service and the Chinese State Forestry Administration. Horticultural selections are maintained in collections at the Arnold Arboretum, the Royal Botanic Gardens, Kew, and municipal arboreta in Seoul and Beijing. Wood properties are described in handbooks from the United States Department of Agriculture and applied in local industries documented by ministries such as the Ministry of Agriculture and Rural Affairs (China). Cultivation trials addressing pest resistance and growth rate have been published by research centers including the International Poplar Commission and university departments at Peking University and Kyoto University.

Conservation and Threats

Conservation status assessments have been conducted by the International Union for Conservation of Nature and national agencies like the Ministry of Environment (South Korea) and the State Forestry Administration of China. Threats include habitat modification from infrastructure projects referenced in reports by the Asian Development Bank and the World Bank, invasive species issues studied by the Global Invasive Species Programme, and climate change impacts modeled by the Intergovernmental Panel on Climate Change. Ex situ conservation and seed banking efforts are coordinated by networks such as the Millennium Seed Bank Partnership and regional botanical gardens including the Komarov Botanical Institute and the Royal Botanic Gardens, Kew.

Category:Populus