Oaks of the World

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 Quercus humboldtii
Author Bonpl. 1809 Pl. Aequinoct. 2: 155
Synonymsalmaguerensis Bonpl. 1809
humboldtii var. lehmanniana Hieron. ex Trel. 1924
lindeni A.DC 1864
humboldtii Kotschy ex A.DC 1864
tolimensis Bonpl. 1809
boyacensis Cuatrec. 1944
colombiana Cuatrec. 1944
Local names 
RangeSouth Texas; Mexico; Costa Rica; Ecuador; Honduras; South Panama; Colombia; 1000-3000 m ;
Growth habitmore than 30 m tall, trunk to 40 cm in diameter or more; stout trunk, rounded crown;
Leaves 14 cm long, in bunches at the end of branchlets; elliptic-lanceolate; apex and base pointed; margin entire, wavy, untoothed or seldom few bristleless teeth near apex; light green, glabrous above; paler beneath with pubescence along midrib; short petiole;
Fruitsacorn 5-7 cm long, 2-3 cm in diameter; brown; ovoid; cup shallow, with free, tomentose scales ; cup enclosing 1/4 to 1/3 of nut; first acorns appearing when tree is only 3 metres tall;

Bark, twigs and

bark rough, blackish; twig hairless, with large, prominent lenticels;
Hardiness zone, habitat not hardy (zone 11); in wet mountain forests; the Southest oak of Americas;
Miscellaneous-- A. Camus : n° 320;
-- Sub-genus Quercus, section Lobatae;
Subspecies and