Juglans Linnaeus. Walnut.
A genus of about 21 species, trees and shrubs, of Mediterranean Europe to e. Asia, and North America to Andean South America.
Ref: Stanford (1998); Stanford, Harden, & Parks (2000); Stone In Kubitzki, Rohwer, & Bittrich (1993); Whittemore & Stone (1997) In Flora of North America Editorial Committee (1997). Show full citations.
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