Labdanum, also called ladanum, ladan, or ladanon, is a sticky brown resin obtained from the shrubs Cistus ladanifer and Cistus creticus, species of rockrose. It was historically used in herbal medicine and is still used in the preparation of some perfumes and vermouths.
Dried spirals of labdanum for historical medical uses
Cistus ladanifer is a species of flowering plant in the family Cistaceae. It is native to the western Mediterranean region. Common names include gum rockrose, labdanum, common gum cistus, and brown-eyed rockrose.
Cistus ladanifer
Cistus ladanifer capsule and seeds - MHNT