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Acorn - Barbara Ortelli Pin

NAME: Barbara Ortelli Pin
WEB: www.barbaraortellipin.tumblr.com
COUNTRY: Italy
SOCIAL MEDIA: https://www.facebook.com/barbara.ortellipin
TITLE: Acorn
TECHNIQUE: Tempera
YEAR: 2015
PUBLISHED: NO
DESCRIPTION: The acorn, or oak nut, is the nut of the oaks and their close relatives (genera Quercus and Lithocarpus, in the family Fagaceae). 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. It is known for its circular shape.
CATEGORY: Professional
WIKIMEDIA COMMONS: Yes