acorn
Sign in to savethumb|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.
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Article
14 sectionsContents
- 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|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.
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.]]