Oaks of the World

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  Quercus tardifolia
Author C.H.Muller 1936 Bull. Torrey Bot. Club 63: 154
Local names Lateleaf oak
Range Mexico (Coahuila) ; Texas (Chisos Mountains) ; 2000 m ; very restricted area;
Growth habit small, erect tree; short, thick branches;
Leaves 5-10 x 2-7 cm; evergreen; oboval; flat; apex pointed; base rounded or cordate; margin with 3-4 shallow aristate lobes; dull green, hairless, rough above; densely tomentose beneath, especially on the prominent veins; petiole 1-2 cm long, sometimes pubescent;
Fruits acorn subsessile, paired, maturing in 2 years; cup scales appressed, glabrescent;

Bark, twigs and

bark grey, hard, fissured; twigs slender, dark brown, densely pubescent at first, becoming hairless; terminal bud brown, ovoid, 3-5 mm long, with ciliate scales;
Hardiness zone, habitat
Miscellaneous -- A.Camus : n° 429;
-- Sub-genus Quercus, section Lobatae;
-- Very rare;
-- May be a hybrid between
Q.gravesii and Q.hypoxantha ;

Subspecies and