Ulmus davidiana

Ulmus davidiana is an elm species native to China, Korea, Japan, and the Russian Far East. It is a deciduous tree whose subspecies and varieties are treated differently by taxonomic authorities.

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Ulmus: Ulmus is a genus of deciduous trees commonly known as elms, found across temperate regions of the Northern Hemisphere. This species belongs to the elm genus, whose shared traits help place it among related trees.
Ulmus japonica: Ulmus japonica is an elm species native to Japan and parts of northeastern Asia. Its range overlaps this species in East Asia, and the two have sometimes been discussed in related taxonomic contexts.
Ulmus davidiana var. japonica: Ulmus davidiana var. japonica is a botanical variety associated with Japan and northeastern Asia. This named variety is one taxonomic treatment of populations assigned to Ulmus davidiana.
Changbai Mountains: The Changbai Mountains are a volcanic mountain range on the China–North Korea border. The range lies within the species’ broader northeastern Asian distribution.
Ulmaceae: Ulmaceae is a family of flowering plants that includes elms and several related genera. The family provides the broader botanical classification above Ulmus.
Ulmus laciniata: Ulmus laciniata is an East Asian elm known for its deeply divided leaves. This regional elm offers a comparison among the diverse species growing near Ulmus davidiana.
Dutch elm disease: Dutch elm disease is a fungal disease of elms spread by bark beetles and other routes. Disease resistance has been studied in East Asian elms as a potential resource for elm breeding.
Russian Far East: The Russian Far East is the easternmost region of Russia, bordering the Pacific Ocean and Northeast Asia. This region marks the northern part of the stated native range.
Elm: Elms are deciduous trees in the genus Ulmus, recognized by their serrated leaves and winged fruits. Common elm traits offer a practical starting point for recognizing this species.
Ulmus pumila: Ulmus pumila, the Siberian elm, is a drought-tolerant elm native to central and eastern Asia. Its broad Asian distribution provides a useful comparison with this species’ northeastern range.