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Phytologia (April 2008) 90(1) 97 DISTRIBUTION OF JUNIPERUS ASHEI VAR. ASHEI AND
 

Summary: Phytologia (April 2008) 90(1) 97
DISTRIBUTION OF JUNIPERUS ASHEI VAR. ASHEI AND
VAR. OVATA AROUND NEW BRAUNFELS, TEXAS
Robert P. Adams
Baylor University, Biology Department, P.O. Box 97388, Waco, TX
76798, USA
email Robert_Adams@baylor.edu
ABSTRACT
The distribution of J. ashei var. ashei and J. a. var. ovata was
examined by leaf essential oils. The populational boundries between
these varieties seems to be very distinct. However, there appears to be
some intergradation between the two taxa near New Braunfels, Texas.
KEY WORDS: Juniperus, J. ashei var. ovata, , essential oils,
distribution, Cupressaceae
Juniperus ashei is a small tree that grows abundantly on
limestone on the Edwards plateau in central Texas with disjunct
populations on limestone in Arkansas, Missouri, and Oklahoma as well in
Coahuila, Mexico (Fig. 1). The Edwards Plateau (limestone) region of
central Texas supports dense populations covering millions of acres,
whereas the disjunct populations (Fig. 1) often have almost pure stands of

  

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

 

Collections: Biology and Medicine