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Juglans nigra, the eastern American black walnut, is a species of deciduous tree in the walnut family, Juglandaceae, native to central and eastern North America, growing mostly in riparian zones. Black walnut is susceptible to thousand cankers disease , which provoked a decline of walnut trees in some regions.
Juglone occurs naturally in the leaves, roots, husks, fruit (the epicarp), and bark of plants in the Juglandaceae family, particularly the black walnut (Juglans nigra), and is toxic or growth-stunting to many types of plants. [1] It is sometimes used as an herbicide, as a dye for cloth and inks, and as a coloring agent for foods and cosmetics.
A walnut is the edible seed of any tree of the genus Juglans (family Juglandaceae), particularly the Persian or English walnut, Juglans regia. They are accessory fruit because the outer covering of the fruit is technically an involucre and thus not morphologically part of the carpel; this means it cannot be a drupe but is instead a drupe-like nut.
Walnut trees are any species of tree in the plant genus Juglans, the type genus of the family Juglandaceae, the seeds of which are referred to as walnuts.All species are deciduous trees, 10–40 metres (33–131 ft) tall, with pinnate leaves 200–900 millimetres (7.9–35.4 in), with 5–25 leaflets; the shoots have chambered pith, a character shared with the wingnuts (Pterocarya), but not ...
Casuarina, from a Malaysian word for cassowary [39] [40] [41] 4 genera, in parts of Oceania, Southeast Asia and Madagascar [39] [42] Evergreen trees and shrubs, unisexual or with unisexual flowers, with green branchlets and reduced leaves. Casuarina equisetifolia is planted to anchor beach sand. [26] [39] Fagales [39]
Eucalyptus oil is commonly used in over-the-counter cough and cold medications, as well as for an analgesic. [68] Euonymus atropurpureus: Wahoo Plant is a purgative and might affect the heart. [69] Euphorbia hirta: Asthma-plant: Used traditionally in Asia to treat bronchitic asthma and laryngeal spasm. [70] [71] It is used in the Philippines ...
"Native American Indians enjoyed the pleasures and health benefits of the black walnut well before European explorers arrived. The upper Great Lakes region provides archeological evidence of walnut consumption dating back to 2000 BCE. Along with eating the walnut itself, the Indians used the sap of the walnut tree in their food preparation.
Juglans neotropica tree. It is a slow-growing tree attaining heights of up to 40 meters, with grooved, red-brown bark and an oval-shaped canopy. The compound leaves, typical to all members of Juglans, are about 40 cm long, grouped at the ends of the branches, and have a serrated border.