Oaks of the World

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 Quercus x ludoviciana
AuthorSarg. 1913
Synonymspagoda x phellos
= x subfalcata Trelease 1917 (in fact falcata x phellos)
= x ludoviciana var. subfalcata (Trel.) Rehd. 1926
Local namesLudwig's hybrid oak;
RangeS.E. United States (especially Louisiana); natural hybrid; introduced in Europe in 1880;
Growth habit20m tall; crown conical;
Leaves 10-20 cm, first copper-brown, turning dark green; variously lobed on the same tree, with one larger, pointed lobe each side; lobes pointed and bristle-tipped, or broad and rounded, with or without teeth; glossy green both sides, exept many tufts along midrib; petiole 7-20 mm long;
Flowers 
Fruits acorn 1.2 cm cross, oblong-ovoid, rounded at apex, 1/2 enclosed by cup;

Bark, twigs and
buds

bark smooth, dark grey, pink streaked; young shoots pubescent; buds small, red brown;
Hardiness zone, habitathardy; prefers lime-free soils and wet undergrowth;
Miscellaneous -- discovered in 1913;
-- rather rare;
-- solitary tree;
Subspecies and
varieties
 
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