Oaks of the World

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 Quercus cupreata
AuthorTrel. & C.H.Muller 1936
Synonymscupreata f. brachystachys C.H.Muller 1936, nom. illeg.
cupreata f. serrata Trel. & C.H.Muller 1936
Local names 
RangeMexico (Nuevo Leon) ; 800-1400 m;
Growth habit5-10 m tall;
Leaves 6-10 cm x 2-4; oval lanceolate; acuminate, base rounded to slightly cuneate and somewhat oblique; margin shalloly 5-7 pairs lobed, lobes bristle-tipped; dark green, hairless above; tomentose underneath at first, then glabrous; 5-8 veins pairs, prominent on each side; long hairless petiole to 2 cm;
Flowers 
Fruitsacorn ovoid 1.5 cm long; 1 or 2 together, longitudinaly stripped; cup covering 1-3 of nut, funnel-shaped with spreading margin and hairy appressed scales; maturing in 2 years;

Bark, twigs and
buds

dark, fissured bark; hairless twig with pale lenticels; bud ovoid, 3-4 mm long;
Hardiness zone, habitat hardiness zone 7-8; withstands -15°C;
Miscellaneous-- A. Camus : n° 394;
-- Section Lobatae, sub-section Acutifolia;
-- related to Q. canbyi;
for today's Mexican Authors (Silvia Romero Rangel, 2006), and for Govaerts 2007, it is a synonym of Q.xalapensis. (In 1998, Govaerts thought it was a true species, as for Susana Valencia-A. 2004).
-- rare species;
Subspecies and
varieties
 
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