Oaks of the World

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  Quercus x bebbiana
Author C.K.Schneid. 1904 Ill. Handb. Laubholzk. 1: 201 1904.
Synonyms alba x macrocarpa
Local names Bebb's oak
Range Eastern USA; Canada;
Growth habit height and width to 15 m and more; oval crown;
Leaves large, variable, more or less lobed (usually 5 pairs of lobes); tomentose beneath;
Fruits cup scales tomentose; acorn like Q.alba but deeper cup; solitary or less often paired;

Bark, twigs and

twig corky;
Hardiness zone, habitat hardy;

-- Subgenus Quercus, section Quercus;
-- Specimens showing various degrees of transition between the parents afford convincing evidence as to the hybrid origin and relationship of this species;
-- Found in Illinois by Mr S. Bebb.

Subspecies and