Oaks of the World

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  Quercus x salcedoi
Author C.Vicioso 1950 Bol. Inst. Forest. Invest. Exp. 51: 131
Synonyms faginea x petraea subsp huguetiana
Local names
Range North Spain (Cordillera Cantabrica, near Reinosa);
Growth habit small tree, or shrub, sometimes less than 3 m;
Leaves 5-8 x 2.5-4 cm; subleathery; polymorphous, even on the same twig; apex obtuse, sometimes subacute; base subcordate or truncate; margin sinuate-dentate to sublobate, with broad mucronate teeth, and shallow sinuses; young leaves with stellate hairs adaxially becoming glabrous; abaxially dense, stellate pubescence with longer hairs along midrib; 5-8 parallel vein pairs, without sinusal ones; petiole 5-10 mm, more or less pubescent; summer leaves are narrower, more acute, with more pointed teeth;
Fruits acorn 2-2.5 cm long, ovate, pointed at apex; solitary or paired on a tomentose, 3-7 cm long peduncle, sometimes sessil; cup half-round with tomentose scales, that of the base convex; basal scar white, narrow, prominent;

Bark, twigs and

young twig covered with gray pubescence; bud ovate 4-5 mm, with pubescent, subacute scales; sometimes stipules persistent until fall, narrow, hairy;
Hardiness zone, habitat
Subspecies and