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©John Hagstrom

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Hagstrom, John

Quercus rubra L. (northern red oak), fruit (acorns) on black background

digital color photograph 
Digitization Status
Born digital
Photographic image
Date created
2005 – 2012
Quercus rubra L. (northern red oak), fruits are acorns (nuts) solitary or paired 3/4 to 1" long variable in shape but usually globose enclosed at the base in a flat saucer-like cap, nut is medium brown with grayish streaks (hairs or wax?), they mature in 2 years and fall early