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Feb 13, 2011

true nut ?

Most seeds come from fruits, and the seeds are free of the fruit. In this case, it is not considered a nut.


Is Pistachio true nut? No
The fruit is a drupe, containing an elongated seed, which is the edible portion. The seed, not a botanical nut. The fruit has a hard, whitish exterior shell. The seed has a mauvish skin and light green flesh, with a distinctive flavor. When the fruit ripens, the shell changes from green to an autumnal yellow/red and abruptly splits part way open.


Is almond true nut? No
In botanical terms, an almond is not a true nut. The fruit is a drupe 3.5–6 cm long. The outer covering or exocarp, fleshy in other members of Prunus such as the plum and cherry, is instead a thick leathery grey-green coat (with a downy exterior), called the hull. Inside the hull is a reticulated hard woody shell (like the outside of a peach pit) called the endocarp. Inside the shell is the edible seed.


The edible part of the almond is botanically not a true nut, but the seed of a drupe, which consists of an outer hull and a hard shell with the seed inside. Shelling almonds refers to removing the shell to reveal the seed. Almonds are commonly sold shelled.


Is Walnuts true nut? No
Walnuts are not true nuts.


Is Peanuts/ Pecan true nut? No




Is Chestnut/ Hazelnut true nut? Yes
Has a stony fruit wall and originate from a compound ovary.


Nut is a hard shelled fruit. Nuts are a composite of the seed and the fruit, where the fruit does not open to release the seed. Like; hazelnuts, hickories, chestnuts and acorns.

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