A vegetable tannin extracted from the roots of the Rhus pentaphylla tree that is native to the western part of North Africa (Roberts and Etherington 1982). Tizra is similar to quebracho. It has been used for tanning Morocco leathers.
Synonyms and Related Terms
M. Roberts, D.Etherington, Bookbinding and the Conservation of Books: a Dictionary of Descriptive Terminology, U.S. Government Printing Office, Washington, DC, 1982.