Oaks of the World

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  Quercus x coscojosuberiformis
Author Baonza 2007
Synonyms coccifera X suber
Local names  
Range Spain, near Madrid (Monte de El Pardo);
Growth habit  
Leaves 2.3-4.8 x 1-2.2 cm; evergreen; lanceolate; margin undulate, dentate with spiny teeth; yellowish green both sides; abaxially with a loose tomentum; 5-7 vein pairs;
Flowers  
Fruits acorn 1.7-2.3 cm, striate, ovate elliptic; peduncle short (0.5-1.2 cm), more or less glabrous; cup hemispherical, deep, 1.4-1.8 cm in diameter, 1.3-1.6 cm high, with slightly tomentose scales, spiny, curved, erect near the apex; maturing in 2 years;

Bark, twigs and
buds

grey bark, slightly corky, fissured; young twig tomentose at first, becoming glabrous;
Hardiness zone, habitat  
Miscellaneous resembles Q. coccifera, but taller, with corky bark, bigger leaves slightly tomentose beneath;
Subspecies and
varieties
 
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