Chinese Ash

Scientific name: Fraxinus chinensis

Overview

Chinese Ash is a deciduous Asian hardwood with a long history of cultivation in China. Its straight-grained, flexible wood has been used for practical wooden implements, while the living tree is also cultivated as a host for wax-producing scale insects. Large earlywood vessels give the timber a ring-porous structure. It belongs to the true ash genus, Fraxinus, in the olive family. Broad botanical treatments include several regional forms, so a supplier’s locality and subspecies identification can help clarify the material being offered.

Quick Facts

  • Common Name: Chinese Ash
  • Scientific Name: Fraxinus chinensis
  • Family: Oleaceae
  • Region: Asian Woods
  • Other Names: Bai La Shu; Chinese Wax Ash
  • Native Range: Eastern Asia, extending from the Russian Far East and Japan through China to parts of mainland Southeast Asia
  • Tree Size: About 10–12 m (33–39 ft) in the Chinese flora description; size varies among regional forms
  • Average Dried Weight: Not reliably established for this profile
  • Janka Hardness: Not reliably established for this profile
  • Color: Pale ash-type tones; confirm the appearance of individual stock
  • Grain: Generally straight
  • Texture: Open, ring-porous structure with pronounced earlywood vessels

Identification Characteristics

Chinese Ash has a distinct ring-porous structure: larger vessels occur near the beginning of each growth ring, followed by smaller latewood vessels. This gives cut surfaces a more open appearance than fine-textured birches or maples. Standing trees have grey-brown fissured bark, pinnate leaves, and winged fruits. These features support identification, but a wood sample should also carry documented provenance because related ashes can look very similar.

Key identification traits include:

  • Bands of large earlywood pores on a clean end-grain surface
  • Straight grain in typical clear stock
  • Grey-brown bark with longitudinal fissures
  • Compound leaves commonly with five to seven toothed leaflets in the typical form
  • Winged, spoon-shaped fruits characteristic of the ash group

Working Properties

Chinese forestry descriptions emphasize straight fibers and flexible, tough material. Modern studies have also examined Chinese Ash for curved wood components. Bending results depend on moisture, specimen dimensions, and treatment, so they should not be treated as a guarantee for every board. For ordinary workshop use, begin with clear, properly conditioned stock and test tooling and finishes on an offcut.

  • Machining: Use sharp cutters and follow the grain for a clean surface
  • Bending: Select straight-grained, defect-free stock and trial the process first
  • Drying: Check moisture content before final sizing and assembly
  • Gluing: Use clean, freshly prepared surfaces and test the chosen adhesive
  • Finishing: Open pores may remain visible; trial grain filling if a smooth finish is desired

Safety Note

Use effective extraction and appropriate respiratory and eye protection when cutting or sanding. Fine wood dust can irritate the respiratory tract and skin. Keep the work area clean and avoid unnecessary dust exposure.

Common Uses

Traditional descriptions emphasize practical implements made from its flexible material. Chinese Ash is also investigated as a timber for curved components.

  • Wooden implements and utility articles
  • Flexible shoots used for woven implements
  • Trial bentwood and curved woodworking components
  • Reference wood samples and teaching collections

Sustainability & Notes

Kew reports Chinese Ash as Least Concern under the cited IUCN assessment. The species is widely cultivated, including for landscape planting and wax-insect husbandry. Cultivation alone does not establish the origin of a shipment of lumber. Ask for the botanical identity, growing location, and harvest documentation, especially where Chinese Ash is used as a broad trade name.

Comparative Notes & Related Species

Related Guides

Compare Wood Properties

See how this species ranks in density and hardness using our Wood Density & Janka Hardness Chart. You can also explore Hardest Woods, Softest Woods, and Most Dense Woods for quick comparisons.

Collector Notes

Keep the scientific name and collection locality with each specimen. A clean end-grain face is especially useful for showing its ring-porous structure. Record any subspecies identification and distinguish branch material from trunk lumber. Samples from different regions provide useful comparisons of pore arrangement, growth-ring width, and grain.

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Resources

Authoritative botanical and forestry references used in compiling information about this species include:

• USDA Forest Service – Wood Handbook: Wood as an Engineering Material
https://www.fpl.fs.usda.gov/products/publications/

• The Wood Database – Global reference for wood identification, physical properties, and woodworking characteristics
https://www.wood-database.com/

• Royal Botanic Gardens, Kew – Plants of the World Online – Botanical taxonomy and species distribution database
https://powo.science.kew.org/

• International Union for Conservation of Nature (IUCN Red List) – Global conservation status assessments
https://www.iucnredlist.org/

• Convention on International Trade in Endangered Species (CITES) – International trade regulations for protected plant species
https://cites.org/

Additional forestry publications, academic research papers, and regional timber studies may also be referenced where available.

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Availability & Where to Buy

Exotic hardwood availability can vary significantly depending on region, sustainability regulations, and supplier inventory.

As this archive grows, recommended suppliers and specialty wood retailers will be listed here to help woodworkers locate responsibly sourced material.

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