Oaks of the World

General data Classifications List of species Local names Back to
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  Quercus x rudkinii
Author Britt. 1882 Bull. Torrey Bot. Club 9: 10-12
Synonyms marilandica x phellos
= dubia Ashe 1894, non Trel.
Local names  
Range Eastern USA to Texas
Growth habit  
Leaves very variable, even on the same twig; apex obtuse; base rounded or weakly cordate; margin entire or with obtuse lobes; young leaves pubescent, often rusty coloured beneath; petiole very short;

Bark, twigs and

young shoots densely brown tomentose;
Hardiness zone, habitat hardy;
Miscellaneous -- discovered in 1881;
-- fixed hybrid, comes true from seeds.
Subspecies and