Oaks of the World

General dataClassificationsList of speciesLocal namesBack to
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  Quercus x welwitschii
Author Sampaio 1910 nom. sine descr. lat.

x neomairei A. Camus 1938
lusitanica f. ellipticifolia Cout. 1888
alpestris var. ellipticifolia (Cout.) A.Camus 1939
x mairei A.Camus 1935, nom. illeg.
x henriquesii Franco & Vasconcellos 1954
x andegavensis nothosubsp. henriquesii (Franco & Vasc.) Rivas-Mart. & Sáenz 1991

estremadurensis X pyrenaica

Local names
Range North Spain; Portugal; Morocco;
Growth habit 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;

Fruits 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;

Bark, twigs and

bark greyish brown; young twig more or less tomentose; bud 2-4 mm long, with scales ciliate at margin, pinkish, becoming glabrous;

Hardiness zone, habitat
Subspecies and