Quercus × welwitschii Samp.

North Spain; Portugal; Morocco;

shrub to 6 m;

5-12 cm x 1.5-6; deciduous; leathery; flat; pinnatilobed; base attenuate or sometimes rounded, often asymmetrical; margin with regular, narrow lobes and sinuses; sinuses reaching the 1/3 of half-blade; lobes often lobulate; young leaves densely whitish tomentose both sides; adult leaves adaxially green, lustrous, with some stellate trichomes, glabrescent; abaxially densely greyish tomentose, with stellate, fasciculate and simples hairs; 9-10 secondary parallel veins pairs, with intercalary veins near the base; petiole pinkish, 7-16 mm long, stellate pubescent;

acorn 2-3 cm long, 0.8-2 cm wide; subsessile; cup half-round 1.5-2.5 cm in diameter, with numerous appressed, tomentose, yellowish scales;