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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 ).
A nut is a type of fruit (and not a seed), and a seed is a ripened ovule. [4] In culinary language, a fruit is the sweet- or not sweet- (even sour-) tasting produce of a specific plant (e.g., a peach, pear or lemon); nuts are hard, oily, non-sweet plant produce in shells (hazelnut, acorn).
An edible seed [n 1] is a seed that is suitable for human or animal consumption. Of the six major plant parts, [ n 2 ] seeds are the dominant source of human calories and protein . [ 1 ] A wide variety of plant species provide edible seeds; most are angiosperms , while a few are gymnosperms .
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Inside the shell is the edible seed, commonly called a nut. [4] Generally, one seed is present, but occasionally two occur. After the fruit matures, the hull splits and separates from the shell, and an abscission layer forms between the stem and the fruit so that the fruit can fall from the tree. [ 14 ]
Tetrahedral seeds four inches on a side. Tetrahedral seeds 10 cm on a side. [20] Also called "puzzlenut" because the nuts can be reassembled into a sphere. Chayote Sechium edule: Squash family (Cucurbitaceae) 4 in by 2.75 in by 1 in. 10 cm by 7 cm by 2.5 cm. [21] Idiot fruit Idiospermum australiense: Spicebush family (Calycanthaceae) 3.1 in sphere.
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Spiky, round seed pods are one giveaway when you're trying to figure out which types of established trees you have in your yard or that you come across in a park. These distinctive fruits can help ...