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Juglans nigra L.

Black Walnut

Juglandaceae

Taxonomy

Classification

Group: Spermatophytina (Spermatophytes)
Family: Juglandaceae (Walnut family)
Genus: Juglans (Walnut)

Synonyms

Juglans nigra

Related species

Juglans nigra L. - Black Walnut
Juglans regia L. - Walnut

Traits


    Toxic, up to 30 m tall deciduous trees. ♀‑flowers: in clusters of 2–3, at the apex of the branches. ♂‑flowers: catkins pendulous. fruit sheath: thick, fibrous, rough to tuberculate, mostly greenish. fruits: nuts. leaves: unpaired pinnate, terminal leaflet occasionall...

    You find the complete description in our identification books.

Distribution

Distribution in Europe


Juglans nigra

Legend

The colours represent the floristic status of the species in the respective region. Green indicates native occurrences, light green naturalized occurrences. Adventive occurrences are represented by light yellow shades and plants that are cultivated (but rarely occur in the wild) are dark yellow. Grey colours are used, if the floristic status of species is unknown or uncertain.


Distribution in Germany

Juglans nigra

Legend

Natural, established occurences
Artificial occurences

The color intensity reflects the species' abundance

Data: Floristische Kartierung Deutschlands (Stand 2013), Bundesamt für Naturschutz (www.floraweb.de)

Ecology

Juglans nigra

Juglans nigra

Status

  • neophyte being in naturalization

Habitat

  • parks, gardens

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