Keyaki: Distinctive Zelkova Grain and Everyday Traditions

WOOD DICTIONARY

Keyaki is a representative Japanese hardwood that comes to mind when you want the grain to have presence. It has served uses from temples and shrines to bowls and trays. Even as thin veneer, its grain can become a focal point on furniture and small objects.

Example of Keyaki (Japanese Zelkova) A4 veneer (quarter-cut)

Example of Keyaki (Japanese Zelkova) A4 veneer (flat-cut)

The photographs are examples of the color and grain associated with each wood or figure. Every piece of natural wood is different; the sheet you receive will not have exactly the same color or grain as the photographs.

Names and basic facts

Japanese and other names: Keyaki (Japanese zelkova); formerly called tsuki Forestry and Forest Products Research Institute, Kansai Research Center: Japanese Zelkova
Scientific name and classification: Zelkova serrata / Zelkova in the Ulmaceae (elm) family Forestry and Forest Products Research Institute, Kyushu Research Center: Japanese Zelkova
Native range: Honshu, Shikoku, Kyushu, the Korean Peninsula, China, and other areas Forestry and Forest Products Research Institute, Kyushu Research Center: Japanese Zelkova
Veneer cuts and figure offered: Quarter-cut, flat-cut, and figured MORI KOUGEI: Keyaki (Japanese Zelkova) A4 Veneer Sheet

Tsuki: an older name for keyaki

Tsuki is an old Japanese name for keyaki. Different written characters in a tree name do not necessarily indicate a different wood. Keyaki, familiar for the broad spread of its branches along streets and in parks, is also known as a hardwood capable of supplying large-diameter timber. Forestry and Forest Products Research Institute, Kansai Research Center: Japanese Zelkova

It belongs to the elm family, but to a different genus from elms such as harunire. Sen, which can have similar grain, belongs to a different family altogether. Knowing that some woods have historically been used as substitutes for keyaki helps distinguish a similar appearance from the same species. Forestry and Forest Products Research Institute, Kyushu Research Center: Japanese Zelkova / Hokkaido Research Organization, Forest Products Research Institute: Castor Aralia / Hokkaido Research Organization, Forest Products Research Institute: Japanese Elm and Manchurian Elm

Different cuts reveal the growth rings differently

Keyaki is a representative ring-porous wood, whose vessels arranged along the growth rings create clearly defined grain on the surface. The heartwood ranges from yellowish brown to yellow-tinged reddish brown. Some wood has decorative figure, such as tama figure, formed by intricately arranged growth rings. Forestry and Forest Products Research Institute: Forest Education Programs and Examples, Wood Structure (p. 22)

MORI KOUGEI offers quarter-cut, flat-cut, and figured A4 sheets. You might emphasize clean lines, show broad movements in the growth rings, or make the figure the main feature of the surface. Choosing the cut after deciding on the wood helps bring the result closer to your intended design. MORI KOUGEI: Keyaki (Japanese Zelkova) A4 Veneer Sheet

From building posts to drums and vessels

Solid keyaki has long been used in buildings and furniture for its strength and beautiful grain. Beyond structural timber in temples, shrines, and houses, its uses include taiko drum bodies, mortars and pestles, bowls, and trays. Its usefulness in both large buildings and vessels held in the hand reflects the breadth of its applications. Forestry and Forest Products Research Institute, Kansai Research Center: Japanese Zelkova / Forestry and Forest Products Research Institute: Forest Education Programs and Examples, Wood Structure (p. 22) / Japan Ministry of Agriculture, Forestry and Fisheries, aff: Enriching Life with Wood

Similar grain does not mean that sen or elm has the same strength, color, or working properties as keyaki. When choosing wood for a repair or combination, check its color and the scale of the pattern as well as its name. Hokkaido Research Organization, Forest Products Research Institute: Castor Aralia / Hokkaido Research Organization, Forest Products Research Institute: Japanese Elm and Manchurian Elm

Using thin keyaki as a surface

MORI KOUGEI A4 keyaki is natural wood veneer with a washi-paper backing, measuring 210 × 297 mm and approximately 0.25 mm thick. It is intended for furniture edges, repairs or resurfacing of flat wooden areas, and marquetry. Its role differs from solid timber used to make a post or a drum body. MORI KOUGEI: Keyaki (Japanese Zelkova) A4 Veneer Sheet

For a surface where the grain will be shown on a larger scale, decide the dimensions and orientation first. If neighboring surfaces need to work together, discuss the use and layout with us rather than assuming the lines and colors will match the photograph. The individual differences of natural wood can become part of the finished piece’s character. MORI KOUGEI: Keyaki (Japanese Zelkova) A4 Veneer Sheet

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This article draws on publicly available sources from Japan and abroad, with AI used to support research and organization.

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