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Quercus tinctoria

資料來源 : Webster's Revised Unabridged Dictionary (1913)

Quercitron \Quer"cit*ron\, n. [F. quercitron, the name of the
   name of tree; L. quercus an oak + citrus the citron tree.]
   1. The yellow inner bark of the {Quercus tinctoria}, the
      American black oak, yellow oak, dyer's oak, or quercitron
      oak, a large forest tree growing from Maine to eastern
      Texas.

   2. Quercitrin, used as a pigment. See {Quercitrin}.
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