Black Walnut

Description

Black walnuts are large, deciduous trees that have an average height of 75 to 100 feet [2], with a maximum height of 150 feet. [3] They typically mature within 150 years. [4] The leaves are feather-compound and alternate on the branches. Each leaf has anywhere from 15 to 23 leaflets that are finely-toothed, narrow, and slightly hairy underneath. The leaves are 1 foot to 2 feet long. When crushed, the leaves often have a spicy scent. Twigs are hairless and have white-woolish buds. The bark is dark, deeply grooved, and has dull ridges. Black walnuts have an average trunk diameter of two to four feet with a maximum diameter of six feet.

Taxonomy

• Kingdom- Plantae (Plant)
  • Phylum- Tracheophyta (Vascular Plants)
    • Class- Dicotyledons (Flowering Plants)
      • Order- Fagales (Flowering Plants)
        • Family- Juglandaceae (Walnut Family)
          • Genus- Juglans (Walnut Trees)
            • Species- Juglans nigra (Black Walnut)

References

[1] https://en.wikipedia.org/wiki/Juglans_nigra

[2] https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=a875

[3] Petrides, George A. Peterson Field Guides: Eastern Trees. Illustrated by Janet Wehr, New York City, Houghton Mifflin Harcourt, 1998.

[4] https://plants.usda.gov/DocumentLibrary/factsheet/pdf/fs_juni.pdf