Introductory
SPECIES: Quercus garryana | Oregon White Oak 



ABBREVIATION : 
QUEGAR

SYNONYMS : 
NO-ENTRY


SCS PLANT CODE : 
   QUGA4
   QUGAB


COMMON NAMES : 
   Oregon white oak
   Brewer oak
   Garry oak
   shin oak
   Oregon oak
   white oak
   post oak


TAXONOMY : 
The currently accepted scientific name of Oregon white oak is Quercus
garryana Dougl. ex Hook. [32,52].  Recognized varieties are as follows:

     Q. g. var. garryana
     Q. g. var. breweri (Engelm.) Jeps. (Brewer oak) [10,37,52]
     Q. g. var. semota Jeps. [10,38]

Varieties breweri and semota are scrub forms of Oregon white oak.  The
variety semota is not recognized by some authorities, who claim there
are no distinguishing morphological differences between it and the
variety breweri [13,51].  The main focus of this paper will be upon
Quercus garryana variety garryana.  Brewer oak will be discussed where
relevant information is available.  Following the classification scheme
of Tucker [51], the varieties breweri and semota will be treated as
synonyms for Brewer oak.

Oregon white oak hybridizes with the following species:

     x Q. dumosa (California scrub oak):  Q. X howellii Tucker [32,51]
     x Q. durata (leather oak):  Q. X subconvexa Tucker [32,51]
     x Q. douglasii (blue oak):  Q. X eplingii C. H. Muller [6,32,51]
     x Q. lobata (valley oak) [51]

Brewer oak hybridizes with Q. sadleriana (Sadler oak) [51].


LIFE FORM : 
Tree, Shrub

FEDERAL LEGAL STATUS : 
No special status

OTHER STATUS : 
NO-ENTRY


COMPILED BY AND DATE : 
Janet L. Howard, July 1992


LAST REVISED BY AND DATE : 
NO-ENTRY


AUTHORSHIP AND CITATION : 
Howard, Janet L. Quercus garryana. In: Remainder of Citation

Related categories for Species: Quercus garryana | Oregon White Oak