There are six types of walnut tree Sir Herbert Beerbohm Tree in the United States , each have a specific geographic distribution . Walnut trees have long been valued for their fine - granulate woodwind and the delicious ballock they get . The American walnut trees differ in such feature as height , the visual aspect of their leave and the sizing of the walnut the flowers eventually turn into .
Black Walnut
Black walnut tree has the largest range of native walnut in the U.S. , with the tree growing in the wild in most of the eastern half of the country . It is also the tallest of the walnut in this country , grow as high as 100 feet . Black walnut has compound leave , with each stalk as long as 2 feet and featuring as many as 23 narrowed leaflets . The fruit , case in a round green stubble and uprise in bunch , ripens by midfall and tumbles from the tree . The casing has a browned dye that will stain the hands when touched .
Butternut
Butternut is another striking walnut tree , often call white walnut . Butternut is in the northeastern quarter-circle of the United States and does not match the dim walnut in height , with a 60 - foot butternut tree tree being a vast one . The compound exit possess from 11 to 17 leaflets , but the entire length of the stem can outstrip 30 in . Not as ample as black walnut tree , the butternut tree has ellipse loony about 2.5 inch long , with a unripe - brown protective husk that exude a yellow dyestuff . The nut itself is quite oleaginous ; it was common practice at one prison term to boil them to extract the oil , which then service as butter .
Regional Types
Four regional types of walnut tree trees farm within U.S. borders . The California walnut tree of the coastal area of that state grows to 50 foot and has the chemical compound leaves all walnuts possess , with between 11 and 15 leaflet . It produces a small nut , less than an inch in diameter , within a dismal dark-brown stalk .
Arizona walnut , which originate from Arizona through western share of Texas , can make it to 50 feet mellow but is more often a shrub . The grooved nuts develop in a slender - husked racing shell .
The Hinds walnut favour moist soil in northerly California and southern Oregon , and sometimes exceeds 50 foot in height .
The small walnut tree , a tree of Texas and Oklahoma , is bush - like , with the tall about 30 feet but most grow in the form of a multi - stemmed Dubya . The walnuts are predictably small , averaging half an inch wide .
