Introductory
SPECIES: Juglans cinerea | Butternut 



ABBREVIATION : 
JUGCIN

SYNONYMS : 
NO-ENTRY


SCS PLANT CODE : 
   JUCI


COMMON NAMES : 
   butternut
   white walnut
   oilnut


TAXONOMY : 
The currently accepted scientific name for butternut is Juglans cinerea
L. [16].  Butternut and black walnut (Juglans nigra) are very similiar,
but can be distinguished by certain morphological differences.
Butternut has a pad of small dense hairs extending crosswise along the
upper margin of the old leaf scars; in black walnut this pad is absent.
The underside leaflets of butternut are densely covered with stellate
hairs, while in black walnut leaflet hairs are almost inconspicuous
[31].

Recognized hybrids are as follows [24]:

        J. cinerea x J. regia = J. X quadrangulata
        J. cinerea x J. ailantifolia = J. X bixbi

Reports of crosses between butternut and black walnut have not been
substantiated [24].


LIFE FORM : 
Tree

FEDERAL LEGAL STATUS : 
No special status

OTHER STATUS : 
NO-ENTRY


COMPILED BY AND DATE : 
Milo Coladonato, December 1991


LAST REVISED BY AND DATE : 
NO-ENTRY


AUTHORSHIP AND CITATION : 
Coladonato, Milo 1991. Juglans cinerea. In: Remainder of Citation

Related categories for Species: Juglans cinerea | Butternut