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Phytologia (April 2009) 91(1) 117 ANALYSES AND TAXONOMIC UTILITY OF THE
 

Summary: Phytologia (April 2009) 91(1) 117
ANALYSES AND TAXONOMIC UTILITY OF THE
CEDARWOOD OILS OF THE SERRATE LEAF JUNIPERS OF
THE WESTERN HEMISPHERE
Robert P. Adams
Biology Department, Baylor University, Box 727, Gruver, TX, 79040
Robert_Adams@baylor.edu
ABSTRACT
Analyses of the wood oils of the serrate leaf margined
Juniperus of the western hemisphere (21 species, 3 varieties and 1
form) are presented. All taxa have considerable amounts of cedrol,
widdrol, cis-thujopsene, -cedrene and -cedrene. In general, there was
little correlation between cedarwood oil compositions and phylogeny
in this section of Juniperus. Phytologia 91(1):117-139 (April, 2009).
KEY WORDS: Juniperus, Cupressaceae, wood oils, taxonomy, serrate
leaf, cedrol, widdrol, cis-thujopsene, -cedrene and -cedrene.
The serrate leaf margined junipers of the western hemisphere
appear to represent a natural sub-group of Juniperus (Adams, 2008). A
phylogenetic tree (Fig. 1) shows the relationships among these junipers
based on nrDNA and trnC-trnD sequences. These junipers evolved at

  

Source: Adams, Robert P. - Department of Biology, Baylor University

 

Collections: Biology and Medicine