Assertion: cork oak | /r/HasProperty | q. suber
Facets:
Source sentences:
text: galls produced on the twigs of the Aleppo oak (Q. infectoria) are a source of Aleppo tannin, used in ink manufacture; commercial cork is obtained from the bark of the cork oak (Q. suber), and the tannin-rich kermes oak (Q. coccifera) is the host of the kermes insect, once harvested for a dye contained in its body fluids.