acorn

Also known as oak nut

thumb|English oak acorn thumb|Acorns of the willow oak in South Carolina (from small to large, counterclockwise from center): Q. phellos (willow oak), Q. falcata (southern red oak; top right), Q. alba (white oak), and Q. coccinea (scarlet oak). Scale bar at upper right is 1 cm.

AI overview

An acorn is the nut produced by oak trees, consisting of a seed enclosed in a hard shell with a characteristic cup-shaped base. Acorns are important as a food source for wildlife and have historically been used by humans as well.

AI-generated from the Wikipedia summary — may contain errors.

Wikidata facts

Image: Quercus robur acorn - Keila.jpg

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Commons category: Acorns

Sources (3)

via Wikidata · CC0

~12 min read

Article

14 sections

Contents

Etymology
Ecology
Dispersal agents
Uses
Nutrition
Culinary
Use by Native Americans
In culture
Art
Military symbolism
Modern uses as symbol
See also
References
External links

thumb|Diagram of the anatomy of an acorn: A.) Calybium and cupule|Cupule B.) [[Pericarp (fruit wall) C.) Seed coat (testa) D.) Cotyledons (2) E.) Plumule F.) Radicle G.) Remains of style. Together D., E., and F. make up the embryo.]]