Juglans australis wood is dense (640 kg/m), hard, and strong. Upon drying, the radial shrinkage is 2.2%, the tangential 4.7%. The pinnately compound leaves are borne alternately, and bear up to fifteen oval-lanceolate finely serrate leaflets. The immature fruits are pickled whole for human consumption. The mature nuts are also eaten. Like most walnuts, "J. australis" produces juglone, an allelopathic substance which decreases competition from other plants growing nearby. The concentrated extract of the husk is also used as a vermifuge. Juglans australis Juglans australis, the nogal criollo, is a species of plant in the Juglandaceae family. This large, fast-growing tree can
Hickory Hickory Hickory is a type of tree, comprising the genus Carya (, "káryon", meaning "nut"). The genus includes 17 to 19 species. Five or six species are native to China, Indochina, and India (Assam), as many as 12 are native to the United States, four are found in Mexico, and two to four are from Canada. A number of hickory species are used by man for products like edible nuts (pecans) or wood. Hickories are deciduous trees with pinnately compound leaves and large nuts. Hickory flowers are small, yellow-green catkins produced in spring. They are wind-pollinated and self-incompatible. The fruit