Introductory
SPECIES: Juglans californica | Southern California Walnut 



ABBREVIATION : 
JUGCAL

SYNONYMS : 
NO-ENTRY


SCS PLANT CODE : 
   JUCA


COMMON NAMES : 
   southern California walnut
   California walnut
   California black walnut
   southern California black walnut


TAXONOMY : 
The currently accepted scientific name for California black walnut is
Juglans californica S. Watson [19,25,37].  There are two varieties:  J.
c. var. californica (southern california black walnut) and J. c. var.
hindsii Jepson (northern California black wanut).  California black
walnut hybridizes readily with black walnut (J. nigra) and English
walnut (J. regia).
 


LIFE FORM : 
Tree

FEDERAL LEGAL STATUS : 
See OTHER STATUS

OTHER STATUS : 
Northern California black walnut is federally listed as a Category 2
taxa [37].

Southern California walnut woodland is severely threatened by
urbanization.  The Nature Conservancy, in cooperation with the state of
California, is giving high priority to aquiring vegetative/habitat data
on the woodland.  They list it as one of California's rare and imperiled
natural communities [1,5].


COMPILED BY AND DATE : 
Lora L. Esser, September 1993


LAST REVISED BY AND DATE : 
NO-ENTRY


AUTHORSHIP AND CITATION : 
Esser, Lora. 1993. Juglans californica. In: Remainder of Citation

Related categories for Species: Juglans californica | Southern California Walnut