Showing Food Acorn
| General Information | |||||||||||
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| Name | Acorn | ||||||||||
| Scientific Name | Quercus | ||||||||||
| Description | The acorn, or oak nut, is the nut of the oaks and their close relatives. It usually contains a single seed (rarely two seeds), enclosed in a tough, leathery shell, and borne in a cup-shaped cupule. Acorns vary from 1–6 cm long and 0.8–4 cm broad. Acorns take between about 6 and 24 months (depending on the species) to mature; see List of Quercus species for details of oak classification, in which acorn morphology and phenology are important factors. | ||||||||||
| Primary ID | FOOD00282 | ||||||||||
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| Classification | |||||||||||
| Group | Nuts | ||||||||||
| Sub-Group | Nuts | ||||||||||
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| ITIS ID | 19276 | ||||||||||
| Wikipedia ID | Acorn | ||||||||||
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| References | |||||||||||
| Content Reference | — U.S. Department of Agriculture, Agricultural Research Service. 2008. USDA National Nutrient Database for Standard Reference, Release 21. Nutrient Data Laboratory Home Page. — Shinbo, Y., et al. 'KNApSAcK: a comprehensive species-metabolite relationship database.' Plant Metabolomics. Springer Berlin Heidelberg, 2006. 165-181. | ||||||||||