Report from the Oak ICRA checklist
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Full Name: - Quercus macrocarpa 'Big John'

Quercus macrocarpa 'Big John' Jablonski (2013) Cultivar name has been accepted as Registered
Infrageneric Classification
Subgenus Quercus, section Quercus (the white oaks)
Nomenclature Note
Accepted. Journ. Int. Oak Soc., 24:163
Description
Deciduous tree selected for its fastigiate growth form. Leaves, bark, stems typical of species. 20 x 5 m. Plant may be sterile. No fruit set observed over last several seasons.
Natural Distribution
From cultivation. Original plant found in Springfield, IL, USA by Guy Sternberg and John Benedict.
Nomenclatural Standard
Harold Hillier Herbarium 7392 HILL
Standard Image
Photograph by Matt Pringle of Sir Harold Hillier Gardens