Oaks of the World

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  Quercus x diosdadoi
Author F.M. Vasquez, Coombes, Rodriguez, Ramos & Doncel 2003 Int. Oaks 14: 50
Synonyms pyrenaica X rotundifolia
Local names
Range SW Spain (Extremadura, in Gredos Mountains).
Growth habit 8 m tall ;
Leaves subleathery 3-6 x 2-4 cm, slightly stellate pubescent above, tomentose beneath with stellate and fascicled hairs, oblong lanceolate, apex obtuse or shortly pointed, base cordate asymmetrically; margin entire or sinuate-lobate with triangular, acute, spiny lobes; vein pairs 4-7, often sinuate; petiole tomentose 1-2 cm long;
Fruits sterile acorn, subglobose, 1.5 cm long; tomentose stalk 0,3-1 cm long; cup half-round with tomentose scales which are free at apex, enclosing 1/2 of the nut;

Bark, twigs and

Hardiness zone, habitat acid soils;
Subspecies and