quercitron

noun3

1. •
   A yellow dye obtained from the bark of the black oak.
2. •
   The bark from which the dye is made.

   • Fustic will also dye a yellow with alum for a mordaunt, either on woolen or silk, but it makes a poor color in comparison with the Quercitron, (American yellow oak bark.) — 1847
3. •
   The tree from which the bark is obtained, the black oak, Quercus velutina, indigenous to North America.