Blue ash

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Blue ash


1) Another name for Bremen blue.

2) A variety of ash tree, Fraxinus quadrangulata, native to central North America. Blue ash produces a strong flexible wood used for furniture, tool handles, and sporting goods (baseball bats). Early settlers made a blue dye from the inner bark of the tree.

Synonyms and Related Terms

2) Fraxinus quadrangulata

Physical and Chemical Properties

2) Fraxinus quadrangulata

  • Medium tree growing to 20 m.
  • Bark=ashy gray to light brown with scale changing to deep, irregular fissures with age, twigs have four ridges producing a squarish shape.
  • Leaves= compound with 7-9 opposite, lanceolate, serrated leaflets.
  • Fruit=wide-winged samara with flat seed.

Resources and Citations

  • G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 75
  • Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
  • Random House, Webster's Encyclopedic Unabridged Dictionary of the English Language, Grammercy Book, New York, 1997
  • The American Heritage Dictionary or Encarta, via Microsoft Bookshelf 98, Microsoft Corp., 1998
  • Virginia Tech Dendrology website at (Accessed Dec. 9, 2005)

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