Cistus ladaniferus

Den tricyclischen Sesquiterpenalkohol Ledol, der bei der Dehydrie-rung Guajazulen gibt, wiesen S. Sabetay und P. Gilly (119) im Ol von Cistus ladaniferus L. nach. 

Labdauuui absolute and Labdauum oil are obtained from labdanum gum, which is exuded when twigs of Cistus ladaniferus L. (Cistaceae) are boiled in water. 

Other odoriferous materials are derived from the leaves and young twigs of Cistus ladaniferus. Cistus oil is obtained by steam distillation solvent extraction yields cistus concrete. Cistus oil, in contrast to labdanum oil, consists mainly of monoterpene hydrocarbons. 

Labdanum Cistus ladaniferus L. Labdane diterpenes and mono-terpene hydrocarbons ... 

Labdanum Oil occurs as a golden yellow, viscous liquid with a powerful, balsamic odor, which on dilution, is reminiscent of ambergris. It turns dark brown on standing. It is the volatile oil obtained by steam distillation from crude labdanum gum extracted from the perennial shrub Cistus ladaniferus L. (Fam. 

Acetophenone Cistus ladaniferus (Cistaceae), Abolishes V-K+CH block by... 

Cistus Oil (Cistus ladaniferus) A bush grown in the Mediterranean and used in the fragrance industry there, it has a eugenol content of 2.5% [40]. 

Absolue ciste (leaves and branches of Cistus ladaniferus L.)... 

Frankincense (Boswellia carterii Boswellia thuriferd) (Burseraceae), Myrrh (Commiphora myr-rha Balsamodendron myrrha Balsamodendron opobalsamum) (Burseraceae), Labdanum (Cistus ladaniferus), Galbanum (Ferula galbaniflua), Styrax (Styrax officinalis), or Liquidambar orienta-lis, Bahn of Gilhead (Commiphora opobalsamum). Sandalwood (Santalum album), and Opoponax (Opoponax chironium). 

There seems to be a considerable amount of confusion as to the exact botanical relationships of Cistus ladaniferus, but this has recently been cleared up by E. M. Holmes in dealing with the source of Spanish ladanum. He finds that the plant used for collecting the oleo-resin in Spain is Cistm ladaniferus, var. macellatus. Theie are about sixteen species of Cistus known in Spain, and the name Cistus ladaniferus has been applied by different botanists to at least four different species, so that a few remarks on the distinctive characters of the true Cistus ladaniferus may be useful. 

Cistus ladaniferus of Gouan is Cistus Ledon of Lamarcb and the Cistus glaucus of Poures, and is a native of the South of France. 

Cistus ladaniferus of Stokes s Botanical Materia Medica, vol. iii., p. 209, is Cistus polymorphus Wilkoum, and the Cistus creticus of Limnoeus. 

From all these the true Cistus ladaniferus ot Limnoeus is distinguished by the ovary having ten cells in the other five only are present. 

The true Cistus ladaniferus has been described in Stt es s Botanical Materia Medica under the name of Cistus viscosus, and by Hoffmansegg under the name of Cistus ladamsma. 

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