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Cedrus atlantica (Endl.) Manetti - syn. Cedrus libani subsp. atlantica (Endl.) Batt. & Trab.; Pinus atlantica Endl. - Pinaceae
Atlas cedar, Atlas-Zeder
Large coniferous evergreen tree, 30–35 m tall, native to the Atlas Mountains of Algeria and Morocco. Atlas cedarwood oil is produced by steam distillation of the sawdust or waste wood of C.atlantica.
„The essential oil, which was obtained by steam distillation from the sawdust of Cedrus atlantica Man. from Morocco, was analyzed by GC and GC/MS. Fifty-three components were identified among which the three α-, β- and γ-isomers of himachalene (70%) were predominant. Smaller amounts of the (E) and (Z) isomers of α-, β- and γ-atlantone were also present.“
[Essential oil components in sawdust of Cedrus atlantica from Morocco. Chalchat, J. C., Garry, R. P., Miehet, A., Benjilali, B., Journal of Essential Oil Research, Vol.6(3), 1994, 323-325]
(E)-α-atlantone
„The yield and the chemical composition of Atlas cedarwood oil produced by two distillation modes and seven sample origins were determined. Steam distillation and hydrodistillation gave approximately the same yield (2.5-2.6 ml/100g). The samples from Adrej, Tounfite, Tamjilt and Ajdir gave the highest oil yields. The major constituents in the essential oil were α-himachalene (7.4-16.4%), γ-himachalene (5.1-8.6%), β-himachalene (23.4-40.4%) and (E)-α-atlantone (5.2-29.5%).“
[Analysis of Moroccan Atlas Cedarwood Oil (Cedrus atlantica Manetti). Aberchane, M., Fechtal, M., & Chaouch, A., Journal of Essential Oil Research, Vol.16(6), 2004, 542-547]
Cedrus atlantica (Endl.) Manetti ex Carrière as Pinus atlantica Endl.
Trew, C.J., Ehret, G.D., Plantae selectae, vol.7, t.61 (1765) [G.D.Ehret]
http://plantgenera.org/species.php?id_species=215382