Black walnut bark is POSSIBLY UNSAFE. Cuisine American. The leaves, about 30 to 60 cm long, consist of 15 to 23 leaflets borne on very short stalks. A black walnut tree usually is between 20 and 30 m (about 65 and 100 feet) tall and has a trunk about 60 to 90 cm (2 to 3 feet) in diameter, with a deeply furrowed, dark brown or grayish black bark. Walnut leaves are composed of an odd number of smaller, oval shaped leaflets which are bright green in color. Don't take black walnut bark by mouth or apply it to the skin. Walnut, Juglans regia, is a deciduous tree in the Family Juglandaceae grown for its edible seeds. Walnut trees are large and vigorous with a wide-spreading canopy. Suitable Climate for Walnut Tree . a clip on candy thermometer. Leaves. Summary: Black walnuts are native to the US whereas the English Walnuts, which are also called as Persian walnuts, have their origins in Persia. Black walnut tree is mainly grown for its wood and also the nutmeat. English walnut. Equipment. While there are a few differences between these two species of walnut, both have common characteristics that will help you identify them as walnut trees. The leaf scars along twigs look like an upside-down shamrock with five or seven bundle scars. The trunk of the tree can reach 2 m (6.6 ft) in diameter and mature trees possess smooth, silver-gray bark. In a black walnut, the bark is furrowed and dark in color (it is lighter in butternut). English Walnut Toffee ~ there's nothing quite like making your own candy, and this crisp nutty English toffee is one of the best things I've ever eaten ~ make it for friends and family, but definitely make extra to squirrel away for yourself! Juglans ailantifolia (synonyms J. cordiformis and J. sieboldiana and J. mandshurica var. English walnut trees (Juglans regia) are sometimes referred to as the common walnut or Persian walnut tree. English, or Persian, walnut (Juglans regia). The English walnut tree has a smooth and soft bark where as the black walnut tree has a bark that is grooved. Beneath the tree, you usually find whole walnuts or their husks. The limbs will have more immature bark, which will be much smoother. The leaf of the Black Walnut Tree are compound, with alternate leaves. Rasbak . Black Walnut Bark. You often see the limbs having bark that is smoother than the mother trunk in various species, such as Redbud or Shagbark Hickory. Course Dessert. Ingredients. Cook Time 15 minutes. They can grow to reach heights of 60 feet with an equal spread. Black walnut tree English walnut tree. Yield 20 pieces. They are nut-producing trees with an extensive growing region: English walnuts are indigenous to southeast Europe and yet are found growing throughout regions all the way to China.