Quercus × fontqueri O.Schwarz

Spain (Catalonia); South-West Portugal;

tree or shrub;

7-13 x 4-8 cm, subpersistent, leathery; base cordate asymmetrical; sinuate-lobate with lobes simple or lobulate, with deep and narrow sinuses; at first stellate pubescent above, becoming glabrous with some hairs persistent along midrib; long whitish tomentose below at first, becoming nearly hairless and glaucous, waxy, with some hairs along veins; 7-9 vein pairs with sinusal ones; tertiary veins slender; petiole slender 1-2 cm, sulcate, hairy obove;

male catkins with hairy axis, large oval bracts; flowering in April-May;

nut 2-3 cm long, elongate, with apex puberulent slightly depressed; sessil or on a short, pubescent peduncle; cup with appressed, triangular, pointed, tomentose scales;

rare;