صمغ لادن

thumb|Cistus creticus, the pink rockrose, is one source of labdanum. Labdanum, also called ladanum, ladan, or ladanon, is a sticky brown resin obtained from the shrubs Cistus ladanifer ('gum rockrose', western Mediterranean) and Cistus creticus ('pink rockrose', eastern Mediterranean), species of rock rose. It was historically used in herbal medicine and is still used in the preparation of some perfumes and vermouths.