A catalog of Native North American Plants: Juglan nigra
Juglan nigra
Common name: Black walnut
A member of the walnut family. It is a large deciduous tree that grows up to 40 m tall. Its bark is deeply furrowed into narrow ridges. The leaves are compound and alternately arranged on the stem with fifteen to nine leaflets. The leaflets have a rounded base and a long-pointed tip as well as having an edge. The leaves are overall dark green in color and are typically hairy on the underside. The leaf scar has 3 prominent bundle scars and has a notch on the side that points toward the tip of the branch. flowers are in drooping catkins 8–10 cm long. Ripens during the autumn into a fruit (nut) with a brownish-green, semi-fleshy husk and a brown, corrugated nut. The whole fruit, including the husk falls in October; the seed is relatively small and very hard.
Native to North America. It grows mostly, from southern Ontario, west to southeast South Dakota, south to Georgia, northern Florida and southwest to central Texas.
Dye Color: Brown, Orange
Dye source |
Mordant |
Process |
Color |
Leaves |
Alum |
Heat |
Yellow |
Leaves |
Iron |
Heat |
Dark gray brown |
Leaves |
Tin |
Heat |
Bright yellow orange |
Fruit |
Alum |
Heat |
Light tan peach |
Fruit |
copper |
Heat |
Light golden tan |
Husk |
Tin |
Heat |
Cinnamon brown |
Husk |
Iron |
Heat |
Dark black brown |
Husk |
Alum |
Heat |
Dark brown |
Bark |
Alum |
Heat |
Yellow tan |
Bark |
Iron |
Heat |
Medium gray brown |