
(from the article `balsam`) ...product of a lofty leguminous tree, Myroxylon pereirae, growing in a limited area in El Salvador and introduced into Sri Lanka. It is mentioned in ...
Found on
http://www.britannica.com/eb/a-z/b/13

Balsam of tolu or tolu balsam, is a substance that exudes from incisions in the bark of the Myroxylon balsamum (formerly Myroxylon toluferum) tree grown in Central and South America. It is used in perfumery and in cough medicine as an expectorant.
Found on
http://www.probertencyclopaedia.com/browse/EB.HTM
No exact match found.