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A nut is a fruit consisting of a hard or tough nutshell protecting a kernel which is usually edible. In general usage and in a culinary sense, many dry seeds are called nuts, but in a botanical context, "nut" implies that the shell does not open to release the seed ( indehiscent ).
The Brazil nut is a large tree, reaching 50 metres (160 feet) tall, [15] and with a trunk 1 to 2 m (3 to 7 ft) in diameter, making it among the largest of trees in the Amazon rainforest. It may live for 500 years or more, and can often reach a thousand years of age. [ 16 ]
Juglans regia, the common walnut [1] or Persian walnut [2] amongst other regional names, is a species of walnut.It is native to Eurasia in at least southwest and central Asia and southeast Europe, but its exact natural area is obscure due to its long history of cultivation.
Brosimum alicastrum, commonly known as breadnut, Maya nut or ramon, and many others, is a tree species in the family Moraceae of flowering plants, whose other genera include figs and mulberries. Two subspecies are commonly recognized:
The cashew nut yields for the traditional tree are about 0.25 t/ha (0.100 long ton/acre; 0.11 short ton/acre), in contrast to over a ton per hectare for the dwarf variety. Grafting and other modern tree management technologies are used to further improve and sustain cashew nut yields in commercial orchards. [20] [19]
A large tree that produces large, smooth, thin-shelled almonds with 60–65% edible kernel per nut. Requires pollination from other almond varieties for good nut production. [39] Tuono – originates in Italy. Has thicker, hairier shells with only 32% of edible kernel per nut.
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.
The flowers of both sexes typically do not mature at the same time on an individual tree. [5] The fruit is a lemon-shaped nut, produced in bunches of two to six together; the nut is oblong-ovoid, 3–6 cm (1 + 1 ⁄ 4 – 2 + 1 ⁄ 4 in) long [5] and 2–4 cm (3 ⁄ 4 – 1 + 1 ⁄ 2 in) broad, surrounded by a green husk before maturity in ...