Introductory
SPECIES: Pinus ponderosa var. ponderosa | Pacific Ponderosa Pine 



ABBREVIATION : 
PINPONP

SYNONYMS : 
NO-ENTRY


SCS PLANT CODE : 
   PIPO


COMMON NAMES : 
   Pacific ponderosa pine
   ponderosa pine
   western yellowpine
   bull pine


TAXONOMY : 
The currently accepted scientific name of Pacific ponderosa pine is
Pinus ponderosa var. ponderosa Dougl. [28].

Three varieties of ponderosa pine are currently recognized and are
distinguished by morphological variations and geographical location
[7,48]:

     var. arizonica (Engelm.) Shaw - Arizona pine. (classified as a
                                     separate species, P. arizonica
                                     Engelm.), by some authorities).
                                     Occurs in the mountains of extreme
                                     southwest New Mexico, southeast
                                     Arizona, and northern Mexico.  Has
                                     shorter cones and narrower cone
                                     scale prickles.  Usually has
                                     five-needle fascicles.
         
     var. ponderosa -  Pacific ponderosa pine.  Extends from the
                       mountains of southern California northward along
                       the Sierra Nevada-Cascade Range to southern
                       British Columbia.  Usually has three-needle
                       fascicles.

     var. scopulorum (Engelm.) - Interior ponderosa pine.  Extends from
                                 west-central Montana, southward through
                                 the mountains, plains, and basins of
                                 Colorado, Arizona, and New Mexico.  Has
                                 a moderate to high proportion of
                                 two-needle fascicles.


LIFE FORM : 
Tree

FEDERAL LEGAL STATUS : 
No special status

OTHER STATUS : 
NO-ENTRY


COMPILED BY AND DATE : 
R. J. Habeck, March 1992


LAST REVISED BY AND DATE : 
NO-ENTRY


AUTHORSHIP AND CITATION : 
Habeck, R. J. 1992.  Pinus ponderosa var. ponderosa.  In: Remainder of Citation

Related categories for Species: Pinus ponderosa var. ponderosa | Pacific Ponderosa Pine